{"title":"Visual Acuity Charts","description":null,"products":[{"product_id":"logarithmic-sloan-visual-acuity-test","title":"Logarithmic SLOAN Visual Acuity Test","description":"\u003cp\u003eTwo smaller groups 6M to 1.5M for repetitive testing (20\/40, 6\/12 to 20\/10, 6\/3 equiv.). Can be wall-mounted. Includes LogMar and Letter sizes on chart. Equivalents for 20 feet. Logarithmic chart uses traditional Sloan optotypes. These calibrated optotypes blur at threshold and adhere to the Snellen 5x5 grid. Sloan chart uses two smaller groups for repetitive testing and minimizes memorization. Logarithmic Sloan acuity test is a great screener for literate adults and children.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921479295137,"sku":"2103-2","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/c1572c59821062c96d0fc33ad32a2983_XL-scaled-1.jpg?v=1776157124"},{"product_id":"tumbling-e-low-contrast-flip-book","title":"Tumbling \"E\" Flip Book","description":"\u003cp\u003eNotations in M letter sizes ranging from 20M to 1.6M for testing at various distances. Each page it's own contrast level at 100%, 2.5% and 1.25%. This flip book is great for vision studies and research world wide. The Tumbling \"E\" vision chart uses only one optotype for testing. Patients not familiar with the Roman alphabet simply have to gesture or sign which direction they see the \"E\" facing. This is a helpful test for patients that are illiterate or mute, also. This Tumbling \"E\" flip book contains three contrast levels for accurate sensitivity screening.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921479327905,"sku":"2380","price":262.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/19f9cefdfb07230a68581d617885a3af_XL.jpg?v=1776157124"},{"product_id":"replacement-lamp-for-2425-etdrs-cabinet","title":"Replacement Bulbs (Set) for Original ETDRS®Illuminator Cabinet","description":"\u003cp\u003eReplacement Lamp for Cat. No. 2425 ETDRS® Illuminator Cabinet\u003c\/p\u003e\n\u003ch2 style=\"font-size: 2em; padding-left: 15px;\"\u003eImportant Information For Clinical Trials \u0026amp; Vision Researchers\u003c\/h2\u003e\n\u003cp\u003e\u003ca style=\"background-color: #e60000; border: 0; border-bottom: 3px solid #bf0000; color: #fff; cursor: pointer; display: inline-block; font-size: 15px; padding: 8px 15px; text-decoration: none; text-transform: uppercase; border-radius: .3em;\" href=\"https:\/\/precision-vision.com\/illuminator-cabinet-age-replacement-policy\/\"\u003eRead Information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eReplacement Lamps provide fluorescent lighting which incorporates high efficiency and longer life. It is recommended that lamps be replaced annually.\u003c\/p\u003e\n\u003cp\u003eEach Illuminator Cabinet requires (2) two lamps and are\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e sold as a set of 2.\u003c\/strong\u003e \u003c\/span\u003e It is recommended that both lamps be replaced at the same time. To ensure proper Illumination \u0026amp; Uniformity: \u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/09\/ed771923-bulb-oem-warning.pdf\"\u003eOnly Order OEM Replacement Parts from Precision Vision, Inc.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCabinets manufactured before November 2008 have a removable fenestrated sleeve that is placed over the lamp. Replacement lamps for those cabinets are Catalog No. 2427.  Please \u003ca href=\"https:\/\/precision-vision.com\/about-precision-vision\/contact-us\/\"\u003econtact us\u003c\/a\u003e directly for this replacement lamp.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"2425Ev4","offer_id":45921479360673,"sku":"2427D-V4","price":125.0,"currency_code":"USD","in_stock":true},{"title":"2425Ev3","offer_id":45921479393441,"sku":"2427D-BI-V3","price":92.0,"currency_code":"USD","in_stock":true},{"title":"2425Ev2 (120 volt)","offer_id":45921479426209,"sku":"2427D-BI-120V2","price":92.0,"currency_code":"USD","in_stock":true},{"title":"2425Ev2 (230 volt)","offer_id":45921479458977,"sku":"2427D-BI-230V2","price":92.0,"currency_code":"USD","in_stock":true},{"title":"2425E (120 volt)","offer_id":45921479491745,"sku":"2427D-BI-120V1","price":92.0,"currency_code":"USD","in_stock":true},{"title":"2425E (230 volt)","offer_id":45921479524513,"sku":"2427D-BI-230V1","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/pv-1.jpg?v=1776157129"},{"product_id":"multi-contrast-sloan-letter-flip-book","title":"SLOAN Letter Flip Book","description":"\u003cp\u003eNotations in M letter sizes ranging from 20M to 1.6M for testing at various distances. Each page it's own contrast level at 100%, 2.5% and 1.25% . This flip book is the smaller version of the Cat. No. 2125. Cat. No. 2180 includes three levels of contrast sensitivity; Acuity, 2.5% and 1.25%. This contrast flip book is great for the use in clinical trials and research studies. It is printed on opaque, high-impact polystyrene and is washable. The test chart is also bound and includes instructions and recording forms. Each level uses traditional Sloan optotypes in an ETDRS format for an equally difficult test from beginning to end. Every level uses a different series of optotypes to help reduce any possibility of memorization. Also, each contrast sensitivity level is highly calibrated and will produce accurate results. This flip book is an excellent choice for research because of its accuracy and reliability.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921479557281,"sku":"2180","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/ccb4e23c8aa216f1e96d31ab209c036b_XL.jpg?v=1776157125"},{"product_id":"diffuser-panel-for-the-2425-etdrs-cabinet","title":"Diffuser Panel (for the 2425 ETDRS® Cabinet)","description":"\u003cp\u003e\u003cstrong\u003e\u003cu\u003eREPLACEMENT\u003c\/u\u003e\u003c\/strong\u003e\u003cu\u003e\u003cstrong\u003e Special Acrylic Diffuser Panel\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003eThe Diffuser Panel is required for the operation and proper illumination of our ETDRS® cabinets and is specifically calibrated in conjunction with our 2427 Bulbs (all versions and voltages) for uniform testing. This item should be replaced if there are any scratches or discoloring that can create patient focal points.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921479655585,"sku":"DiffuserPanel","price":51.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/0548677e6432786dd8df61eb3aaec139_XL.jpg?v=1776157126"},{"product_id":"revised-series-sloan-letter-etdrs","title":"Revised Series Sloan Letter ETDRS®","description":"\u003cp\u003eThis revised eye chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS® study.\u003c\/p\u003e\n\u003cp\u003eThe revised arrangement of letters in the 2000 Series ETDRS® chart resulted in the ultimate homogeneity and balance of the visual acuity test.\u003c\/p\u003e\n\u003cp\u003eCan be wall mounted\u003c\/p\u003e\n\u003cp\u003e2000 series revised ETDRS® charts fit in ETDRS® Illuminator Cabinet CAT. NO. 2425. This Illuminator cabinet provides a consistent and uniform light source behind the ETDRS® visual acuity test. A glare source CAT. NO. 2429 may also be used for more intense visual acuity testing using different lighting situations.\u003c\/p\u003e\n\u003cp\u003eDownload Recording Forms for\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/06\/35aff4ac-2121-recording-form.pdf\"\u003e2121\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e–\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/06\/455fa028-2135-cheat.pdf\"\u003e2135\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e–\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/06\/d7e0a08e-2170-recording-form.pdf\"\u003e2170\u003c\/a\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Chart 1 \/ 4 m \/ 13 ft","offer_id":46434362785953,"sku":"2121","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 1 \/ 3 m \/ 10 ft","offer_id":46434362818721,"sku":"2170","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 1 \/ 2.5 m \/ 8.3 ft","offer_id":46434362851489,"sku":"2141","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 1 \/ 2 m \/ 6.5 ft","offer_id":46434362884257,"sku":"2135","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 4 m \/ 13 ft","offer_id":46449779376289,"sku":"2122","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 3 m \/ 10 ft","offer_id":46449779409057,"sku":"2171","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 2.5 m \/ 8.3 ft","offer_id":46449779441825,"sku":"2142","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 2 m \/ 6.5 ft","offer_id":46449779474593,"sku":"2136","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 4 m \/ 13 ft","offer_id":46449779507361,"sku":"2123","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 3 m \/ 10 ft","offer_id":46449779540129,"sku":"2172","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 2.5 m \/ 8.3 ft","offer_id":46449779572897,"sku":"2143","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 2 m \/ 6.5 ft","offer_id":46449779605665,"sku":"2137","price":69.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/3d3b7d5d68132cc424920deb43e754bb_XL.jpg?v=1776157128"},{"product_id":"large-original-cabinet","title":"ETDRS® Original Illuminator Cabinet with LED Bulbs","description":"\u003cp\u003ePrecision Vision's ETDRS® Illuminator Cabinet has maintained these standardized testing conditions in clinical trials worldwide. These ETDRS® Illuminator Cabinets (and Charts) have been used in thousands of clinical trials, contributing to successful FDA approvals of new drugs and treatments of all disease areas.\u003c\/p\u003e\n\u003cp\u003eThe Large ETDRS® Illuminator Cabinet is used in clinical trials, research, studies, and general clinical applications. This cabinet provides accurate and uniform illumination to ensure reliable vision testing. Precision Vision® ETDRS® Illuminator Cabinets remains the most trusted and recognized device for clinical trials and vision research by the NEI and FDA.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(9, 6, 6);\"\u003e\u003cstrong\u003eCheck out the \"\u003ca href=\"\/blogs\/resources\/precision-vision-etdrs-illuminator-cabinet-history-and-future-outlook-a-guide-for-clinical-trials-and-vision-research\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(204, 5, 5);\"\u003ePrecision Vision ETDRS® Illuminator Cabinet History and Future Outlook: A Guide for Clinical Trials and Vision Research\u003c\/span\u003e\u003c\/a\u003e\" for more information about the evolution of our illuminator cabinets.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBefore purchasing from a third party, confirm with our team that you are purchasing from an authorized reseller and not a counterfeiter – \u003ca href=\"\/pages\/contact\"\u003eContact us now\u003c\/a\u003e!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCabinet Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eETDRS® Cabinet (can be wall-mounted)\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/5-leg-caster-base\"\u003e5 Leg Caster Base\u003c\/a\u003e - \u003cem\u003eSold Separately\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 Set of Calibrated LED Bulbs\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #0000ff;\"\u003eAdditional (Replacement\/Spare) Sets Sold Separately\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eType-B (Domestic\/USA) Power Cord\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eETDRS® CHARTS SOLD SEPARATELY\u003c\/strong\u003e – \u003cspan style=\"color: #0000ff;\"\u003eBCVA Charts (High Contrast) – Low Contrast Charts\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Performance and Functionality\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eETDRS Cabinet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlex Power Performance – Universal Performance from 90-265 Volts\u003c\/li\u003e\n\u003cli\u003eMay be mounted on the \u003ca href=\"\/products\/5-leg-caster-base\"\u003e5 Leg Caster Base\u003c\/a\u003e - \u003cem\u003eSold Separately\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eStorage: Holds up to 11 charts (10 in back pocket \u0026amp; 1 in front)\u003c\/li\u003e\n\u003cli\u003eMeasurements : 24.75 x 25.75 x 7 inches (L x W x D)\n\u003cul\u003e\n\u003cli\u003e63 x 65.5 x 17.8 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eUsed for clinical trials, vision research, or general practice\u003c\/li\u003e\n\u003cli\u003eFor Testing Distances: 1 Meter to 4 Meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLED ETDRS® Bulbs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvide uniform luminance\u003c\/li\u003e\n\u003cli\u003eNo Pre-Burning Required\u003c\/li\u003e\n\u003cli\u003eFlex Power Performance – Universal Performance from 90-265 Volts\u003c\/li\u003e\n\u003cli\u003eLEDs can be used for up to two (2) years without compromising performance, whereas\u003cbr\u003etraditional fluorescent bulbs require annual replacement.\u003c\/li\u003e\n\u003cli\u003eClinical Sites: Please consult your study team (Sponsor, CRO, Certifying Group)\u003cbr\u003eto verify the study-specific bulb replacement schedule.\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #0000ff;\"\u003ePrecision Vision® LED ETDRS® Bulbs are Certified \u0026amp; Serialized (2427D-V4)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Sets Us Apart From the Rest?\u003cbr\u003e\u003c\/strong\u003eWe recognize your trust in our team to provide the highest quality vision testing equipment, and we want you to know that every individual cabinet goes through a rigorous quality testing process. All bulbs are calibrated explicitly to each version of the cabinet in which they are designated for use. Precision Vision® ETDRS® Illuminator Cabinets are backed by quality, proven by science. We stand behind our craftsmanship, so there is no need to purchase an \u003cem\u003eextended warranty\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480081569,"sku":"2425Ev4","price":1550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/b5bc1b50-large-etdrs-cabinet-2425.jpg?v=1776157128"},{"product_id":"large-led-illuminator-cabinet","title":"Large LED ETDRS® Illuminator Cabinet","description":"\u003ch5\u003eLuminance Level Models\/Options\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003e2425LED-100: On\/Off at 160 cd\/m2\u003c\/strong\u003e\u003cbr\u003eMost common for use in clinical settings for normal and low vision patients and ETDRS® clinical trials.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2425LED-200: 3 Presets at 3, 85 and 160 cd\/m2\u003c\/strong\u003e\u003cbr\u003eAllows for testing at mesopic luminance and the most common ETDRS®\/clinical setting. The 85 cd\/m2 preset is provided for some protocol requirements and the use of the Trans-Illuminated Pelli-Robson Contrast Sensitivity\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2425LED-300 7 Presets at 3, 10, 40, 85, 160, 320 and 800 cd\/m2\u003c\/strong\u003e\u003cbr\u003eThis configuration allows for testing vision under several different luminance levels with optional charts in high contrast, low contrast and threshold contrast and different test distances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2425LED-Custom\u003c\/strong\u003e\u003cbr\u003eWe manufacture and calibrate every cabinet in-house are capable of providing 1 to 9 specific presets ranging from 3 to 800 cd\/m2 to support your research or clinical trial requirements. Phone or email to discuss your request and get pricing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"\/products\/5-leg-caster-base\/\"\u003e\u003cstrong\u003e5-Leg Caster Base \u003cem\u003e(not included) \u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/products\/5-leg-caster-base\"\u003e\u003cstrong\u003e\u003cem\u003eADD NOW - SKU: 2426LED\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eETDRS® Charts \u003cem\u003e(not included) with cabinet. Charts can be purchased in sets or individually: \u003c\/em\u003e\u003c\/strong\u003eOriginal Series, Revised Series, or Other ETDRS® Charts\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eWhat Sets Us Apart From the Rest?\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eEach and every individual cabinet is quality tested and \u003cstrong\u003ecalibrated individually\u003c\/strong\u003e prior to receiving our quality assurance of Mission critical attention to detail!\u003c\/li\u003e\n\u003cli\u003ePrecision Vision Illuminator Cabinets are crafted with performance welding and are sturdy enough to last the lifetime of your trial or research!\u003c\/li\u003e\n\u003cli\u003eNo extended warranty is necessary, our cabinet's durability is guaranteed. They arrive on-site ready to test!\u003c\/li\u003e\n\u003cli\u003eClinically Tested, Clinically Proven, and Universally Trusted!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/products\/2425led-remote\"\u003e*Remote Not Included and must be purchased separately\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/09\/dd74d80b-2425led-ce-manual-rev3.4_sz-proof1.pdf\"\u003eDownload Best Practices for Installing Power Cord.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck out the\u003cspan style=\"color: #ff0000;\"\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2025\/03\/0d88c023-precision-vision-cabinet-history-final-final.pdf\" style=\"color: #ff0000;\"\u003e \"Precision Vision ETDRS® Illuminator Cabinet History and Future Outlook: A Guide for Clinical Trials and Vision Research\"\u003c\/a\u003e\u003c\/span\u003e for more information about the evolution of our illuminator cabinets.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"100","offer_id":45921480179873,"sku":"2425LED-100","price":1895.0,"currency_code":"USD","in_stock":true},{"title":"200","offer_id":45921480212641,"sku":"2425LED-200","price":2175.0,"currency_code":"USD","in_stock":true},{"title":"300","offer_id":45921480245409,"sku":"2425LED-300","price":2345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/NEW-LED.jpg?v=1776157131"},{"product_id":"large-mesopic-filter-for-2425-etdrs-illuminator-cabinet","title":"Large mesopic Filter for 2425 ETDRS® Illuminator Cabinet","description":"\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eDesigned for use in the ETDRS® Illuminator Cabinet Cat.No. 2425.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eFilter measures 62 x 65 cm (24.5 x 25.5 in.).\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eThin and light design.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eTesting for multiple vision problems while performing routine exams is practical. Acuity, Low Contrast and Low Vision testing are important parts of normal vision and should be checked and recorded often. Placed in front of a vision test chart, this filter reduces normal cabinet light level down to 3 cd\/m2 to challenge the patient's vision at low light conditions. It is an easy and quick way to test low vision and low lighting problems and does not require moving to different rooms, calculating, or reorganizing the office. Mesopic filter is light, easy to use, and creates an accurate low vision test.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480442017,"sku":"2424","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/Mesopic-IMG_2140.jpg?v=1776157130"},{"product_id":"pv-numbers-translucent-chart-20ft","title":"PV Numbers Chart: Red and Green Bar Visual Acuity Test","description":"\u003cp\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp\u003ePV Numbers Chart for testing at 6 meters (20 Feet) with Red and Green color bars for an easy and helpful place to start administering the test. Can be wall-mounted or utilized within the Small Illuminator Cabinets. Not only do PV Numbers adhere to the Sloan standards, but the numbers have been chosen specifically for their difficulty level. PV Numbers also have an equal blur at the threshold. By following a constant standard for each charts recordings are more accurate and reliable. \u003c\/p\u003e\n\u003cp\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480671393,"sku":"2749","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/048731097de322302aff7e52151c991d_XL-scaled-1.jpg?v=1776157137"},{"product_id":"sloan-striped-visual-acuity-chart","title":"Sloan Striped Visual Acuity Chart","description":"\u003cp\u003eIncludes Red and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eSloan optotypes are highly calibrated to a 5x5 grid. This grid helps to create a uniform difficulty throughout the 10 optotypes. Each optotype takes up a similar space and creates a uniform blur when they are out of a patient's visual acuity range. This is an essential factor that makes Sloan optotypes so reliable and accurate in visual acuity testing.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480802465,"sku":"2101-20","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d6e7bc44feb1613d041d5385e5745b10_XL-scaled-1.jpg?v=1776157137"},{"product_id":"tumbling-e-visual-acuity-color-vision-screening","title":"Tumbling \"E\" Visual Acuity \/ Color Vision Screening","description":"\u003cp\u003eIncludes Red and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eTumbling E suitable for illiterate and preliterate patients.\u003c\/p\u003e\n\u003cp\u003eUseful for multiple languages.\u003c\/p\u003e\n\u003cp\u003eTumbling or Illiterate E charts are very reliable alternative visual acuity tests. Although Landolt C tests are considered the standard in alternative vision tests, many studies have proven that Tumbling E tests are nearly equal. In fact, because of their shape, Tumbling Es have grating properties and have been proven to be almost better then Landolt Cs in visual acuity establishment.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480868001,"sku":"2323","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/aaa036e4cb16038f90e128d8e39c714f_XL-scaled-1.jpg?v=1776157137"},{"product_id":"spielmann-translucent-occluder","title":"Spielmann Translucent Occluder","description":"\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eOur most popular occluder.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eMeasures 20.3 x 5.75 cm (8 x 2.25 in.)\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eMetric and US rulers on the side of handle.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003ePupil gauge on the side of handle.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eCan be cleaned with alcohol and any non-solvent based sanitizer.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eMade in the USA.\u003c\/p\u003e\n\u003cp style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; line-height: normal;\"\u003eUnlike many other eye occluders, this occluder is translucent and allows for better diagnosis of exams. The unique coating on both sides effectively prevents the patient from seeing through, yet allows the doctor to observe eye movements clearly. View both eyes while testing instead of only one, helps to expand the information gathered during general clinical exams. This translucent occluder is also very durable and can be cleaned for multiple exams.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480900769,"sku":"3104","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/b1bcc3ef-3104-spielmann-translucent-occluder.png?v=1776157144"},{"product_id":"snellen-translucent-distance-vision-testing-chart","title":"Snellen Translucent Distance Vision Testing Chart","description":"\u003cul\u003e\n\u003cli\u003eTwo smaller groups 20\/25 to 20\/12.5 for repetitive eye testing\u003c\/li\u003e\n\u003cli\u003e11\" Tall x 7\" Wide\u003c\/li\u003e\n\u003cli\u003eCan be wall-mounted\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480933537,"sku":"2196US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/938a195f8810cb9b31c6503221891897_XL-scaled-1.jpg?v=1776157138"},{"product_id":"eye-test-with-patti-pics-optotypes","title":"Eye Test with Patti Pics Optotypes","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003e5 Symbol tests are instrumental for acuity testing children. Unlike other symbol tests, Patti Pics charts are calibrated from Sloan standards. This means that if the child is tested using Patti Pics symbol tests while they are young, when they reach the age to begin using standard Sloan vision tests, there will be no mistaken loss or gain of lines. This makes a smoother transition between the two types of charts, and reduces mistakes.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480966305,"sku":"2551","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/71ab1197965a26d2e4379f8b23c36ebb_XL-scaled-1.jpg?v=1776157138"},{"product_id":"logarithmic-landolt-c-eye-chart","title":"Logarithmic Landolt \"C\" Eye Chart","description":"\u003cp\u003eTwo smaller groups 5M to 2M for repetitive testing (20\/25, 6\/7.5 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003ePractical for testing illiterate patients or testing in multiple languages.\u003c\/p\u003e\n\u003cp\u003eThe Broken Ring or Landolt C test uses a single optotype placed in different positions; up, down, left, right, and 45 degree positions in between. Because there is only one optotype, patients simply have to gesture which position they see the optotype facing. Landolt C is helpful for testing illiterate patients that are not familiar with the Roman alphabet. Landolt C vision test are considered one of the best among alternative visual acuity tests.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480999073,"sku":"2207","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/05a977f75c8bd421cf67e35678973f79_XL-scaled-1.jpg?v=1776157138"},{"product_id":"hotv-red-green-bar-vision-test-chart","title":"HOTV Red\/Green Bar Vision Test Chart","description":"\u003cp\u003eIncludes Red and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eHOTV charts use four distinctly different yet equally recognizable letters. These letters can be identified by preliterate children, with the use of a response key. Also, featured on this HOTV vision test are both a red and a green stripe. These stripes can help as a screener for Color Vision. Also, the chart is useful for detecting early signs of amblyopia in children. This HOTV eye chart is great for school screenings for children 3-5 years old.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481031841,"sku":"2055","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/b42628f79a294675b36162209f86e045_XL-scaled-1.jpg?v=1776157138"},{"product_id":"hotv-horizontal-translucent-chart","title":"HOTV Horizontal Translucent Chart","description":"\u003cp\u003eTwo smaller groups 5M to 1.5M for repetitive testing (20\/25,6\/7.5 to 20\/8,6\/2.4 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHorizontal display.\u003c\/p\u003e\n\u003cp\u003eHOTV chart was developed for pediatric use. The idea behind the chart was to use recognizable optotypes that could be matched and identified easily while testing. Preliterate children can be taught the 4 letters before testing, and can use the response key during testing to match the letter they see. The HOTV response key not only helps the child feel confident while testing, but helps in accurate recordings of the visual acuity screening.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481064609,"sku":"2016","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/dbe05350458c15fa6c802fb686391131_XL.jpg?v=1776157138"},{"product_id":"pv-numbers-horizontal-acuity-vision-test","title":"PV Numbers Horizontal Acuity Vision Test","description":"\u003cp\u003eTwo smaller groups 5M to 1.6M for repetitive testing (20\/25, 6\/75 to 20\/8, 6\/24 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHorizontal design.\u003c\/p\u003e\n\u003cp\u003ePV Numbers charts are a usable alternative to Tumbling E and Landolt C charts. Although patients may not be familiar with the Roman Alphabet, or speak the same language, they may be familiar with numbers. The number chart allows the patient to simply sign or gesture the correct number they see. This simplicity helps to make testing in multiple languages easier, quicker and more reliable.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481097377,"sku":"2701","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/157c6c6cd616f458d56a6caf427711f8_XL.jpg?v=1776157138"},{"product_id":"landolt-c-translucent-distance-chart","title":"Landolt \"C\" Translucent Distance Chart","description":"\u003cp\u003eTwo smaller groups 5M to 1.6M for repetitive testing (20\/20, 6\/7.5 to 20\/8, 6\/2.4 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eThe Broken Ring or Landolt C vision chart is a popular vision chart because of it's accuracy and versatility. The Landolt C acuity chart uses only one optotype for testing. This optotype, the letter C, is positioned in several positions including up, down, left, right and 45 degree positions. The patient merely has to gesture the direction they view the missing piece. Those patients who are not familiar with the Roman alphabet will view the C as a symbol rather than a letter. There is no verbal response required, which makes this chart a universal vision test.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481162913,"sku":"2202","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/Landolt-CTranslucentDistanceChart.jpg?v=1776157138"},{"product_id":"4-meter-vision-test-with-pv-numbers-optotypes","title":"4 Meter Vision Test with PV Numbers Optotypes","description":"\u003cp\u003eTwo smaller groups 5M to 1.6M for repetitive testing (20\/25, 6\/7.5 to 20\/8, 6\/2.4 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003ePV numbers are an alternative vision test to Sloan, Snellen, Patti Pics, Landolt C, and Tumbling E tests. PV Numbers are designed for vision testing in several different languages and for several types of patients. The PV Number test can be used for languages across the globe. Also, PV Numbers are useful for mute patients and for children who may be preliterate but may know their numbers.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481228449,"sku":"2713","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/7ab716354432ee12f19b58c60471093b_XL-scaled-1.jpg?v=1776157138"},{"product_id":"hotv-translucent-visual-acuity-chart","title":"HOTV Translucent Visual Acuity Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHOTV chart is an accurate screener for testing acuity in preliterate patients such as preschool and kindergarten children. HOTV vision test includes a response key for more accurate acuity recordings. Children will hold up the flash card or point to the response key to show which optotype they think they are seeing. Great for school nurses and school screenings.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481261217,"sku":"2003","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/fbb4b6a86e716d470f9aaf0dffc43cd5_XL-scaled-1.jpg?v=1776157138"},{"product_id":"logarithmic-sloan-visual-acuity-test-2","title":"Logarithmic SLOAN Visual Acuity Test","description":"\u003cp\u003eTwo smaller groups 6M to 1.5M for repetitive testing (20\/40, 6\/12 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eIncludes LogMar and Letter sizes on chart.\u003c\/p\u003e\n\u003cp\u003eLogarithmic chart uses traditional Sloan optotypes. These calibrated optotypes blur at threshold and adhere to the Snellen 5x5 grid. Sloan chart uses two smaller groups for repetitive testing and minimizes memorization. Logarithmic Sloan acuity test is a great screener for literate adults and children.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481293985,"sku":"2103","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/4e0d2946bafc44e656cf2886c0b75bb2_XL-scaled-1.jpg?v=1776157138"},{"product_id":"sloan-massvat-10-foot-test","title":"SLOAN MassVAT 10 Foot Test","description":"\u003cp\u003eTwo smaller groups 6M to 2.4M for repetitive testing (20\/40, 6\/12 to 20\/16, 6\/4.8 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eGreat Screener for Amblyopia.\u003c\/p\u003e\n\u003cp\u003eMassVat designed by Luisa Mayer, Ph.D. and Bruce Moore, O.D.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481326753,"sku":"2189","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/144aba6c568fde2fce1a77afef2ebf5c_XL-scaled-1.jpg?v=1776157138"},{"product_id":"near-point-acuity-illuminated-flip-chart","title":"Near Point Acuity Illuminated Flip Chart","description":"\u003cp\u003eLogarithmic Progression using ETDRS Chart 1 and ETDRS Chart 2.\u003c\/p\u003e\n\u003cp\u003eSize increments = 0.1 LOG Units.\u003c\/p\u003e\n\u003cp\u003eFeatures notations for Letter Size, Decimal, Meters, Feet, and Diopters of Add.\u003c\/p\u003e\n\u003cp\u003eMask included for concealing bottom portion of the chart while using the top for testing.\u003c\/p\u003e\n\u003cp\u003eNear vision test uses the same format as ETDRS 2000 series charts. ETDRS format is calibrated for reliable, repetitive testing using equal difficulty and geometric progression. Vision test uses Sloan optotypes for equal difficulty from optotype to optotype and from line to line creating a uniform level of difficulty. This test features two different ETDRS style permutations for repetitive non memorized testing for both eyes.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481359521,"sku":"2199","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/63955aa9869cf7707ada1662dbfb31e2_XL-scaled-1.jpg?v=1776157138"},{"product_id":"landolt-c-translucent-distance-chart-2","title":"Landolt \"C\" Translucent Distance Chart","description":"\u003cp\u003eTwo smaller groups 6M to 1.5M for repetitive testing (20\/40, 6\/12 to 20\/16, 6\/4.8 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eMade of shatter proof polystyrene, this Landolt C eye chart is used world wide to test visual acuity. U.S. vision notations and international notations are printed on each side to help aid in the vision screening process.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Original Version","offer_id":45921481392289,"sku":"2206","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version 1","offer_id":45921481425057,"sku":"2206-1","price":19.25,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version 2","offer_id":45921481457825,"sku":"2206-2","price":19.25,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version 3","offer_id":45921481490593,"sku":"2206-3","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/daf30d03da42a5291604b3fcca07f0d0_XL-scaled-1.jpg?v=1776157141"},{"product_id":"13-foot-distance-sloan-test","title":"13 Foot Distance Sloan Test","description":"\u003cp\u003eTwo smaller groups 5M to 2M for repetitive testing (20\/25, 6\/7.5 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eSloan chart uses traditional optotypes that follow a 5x5 grid idea. Sloan eye test uses logarithmic format and has equivalents on each side. They include LogMar, Decimal, 10 feet, and Meters for easy acuity recording.\u003c\/p\u003e\n\u003cp\u003eChart comes in three scrambled versions (CAT. NO. 2102A, 2102B and 2102C) or an identical REVERSED optotype chart (CAT. NO. 2102R) used for mirror testing in smaller offices.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Original Version","offer_id":45921481523361,"sku":null,"price":23.0,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version A","offer_id":45921481556129,"sku":null,"price":23.0,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version B","offer_id":45921481588897,"sku":null,"price":19.25,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version C","offer_id":45921481621665,"sku":null,"price":19.25,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version R","offer_id":45921481654433,"sku":null,"price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/873514e130e46a244b5aae0b135db01f_XL-scaled-1.jpg?v=1776157143"},{"product_id":"translucent-tumbling-e-vision-test-chart","title":"Translucent Tumbling \"E\" Vision Test Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eProportional Spacing.\u003c\/p\u003e\n\u003cp\u003eTumbling E chart is useful for illiterate adults, preliterate children, and vision testing in multiple languages. The Tumbling E chart is one of the best, most accurate alternative optotype acuity charts for detecting early signs of astigmatism. Testing with the Tumbling E eye test is easier, since the patient only has sign which of the four directions they believe the E is directed.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481687201,"sku":"2311US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/f50c152c7848dac24210d3ad3ad22154_XL-scaled-1.jpg?v=1776157138"},{"product_id":"patti-pics-red-and-green-stripe-eye-chart","title":"Patti Pics Red and Green Stripe Eye Chart","description":"\u003cp\u003eIncludes Red and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eThis Patti Pics chart is great for use in screenings of preliterate pediatrics. Patti Pics symbols are easily recognizable and are fun for children. Vision testing is easy with use of a response key and flash cards. Patti Pics chart also features red and green stripes for color vision screening. Great screener for both acuity testing and color vision in young children.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481719969,"sku":"2593-opt","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/2cd9d1d7bb30511eb4cd517c131ae148_XL-scaled-1.jpg?v=1776157138"},{"product_id":"pv-numbers-non-reflective-translucent-distance-chart","title":"PV Numbers Non-Reflective Translucent Distance Chart","description":"\u003cp\u003eTwo smaller groups 4.8M to 1.2M for repetitive testing (20\/32, 6\/9.5 to 20\/8, 6\/2.4 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eUseful for testing sight in multiple languages. Also helpful for testing preliterate and illiterate patients.\u003c\/p\u003e\n\u003cp\u003eTraditional design and proportional spacing help insure accurate testing.\u003c\/p\u003e\n\u003cp\u003ePV Numbers are calibrated comparatively to our Patti Pics series charts: on the basis of the 5x5 Snellen grid and calibrated for equal recognizability against Sloan letters. Even illiterate adults can often recognize numbers. Deaf or mute adults can indicate the number seen with simple finger signs.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481752737,"sku":"2712","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/35b3ab2a19f46ac3056fff8ccff085c4_XL-scaled-1.jpg?v=1776157138"},{"product_id":"house-apple-umbrella-translucent-vision-chart-3","title":"House Apple Umbrella Translucent Vision Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eThis House, Apple, Umbrella vision test is made of high impact polystyrene and is portable. The House, Apple Umbrella test is a non-reflective eye chart that can be used to aid school nurses in vision screening of young children. This style of symbol vision test is often used as an acuity and amblyopia screener in preliterate patients.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481785505,"sku":"3403US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/3bd6583af5a14653b7b54db2c9fe7f3e_XL-scaled-1.jpg?v=1776157138"},{"product_id":"traditional-tumbling-e-visual-acuity-chart","title":"Traditional Tumbling \"E\" Visual Acuity Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eTraditional design.\u003c\/p\u003e\n\u003cp\u003eGreat for vision screening in multiple languages.\u003c\/p\u003e\n\u003cp\u003eHelpful 20 foot equivalents.\u003c\/p\u003e\n\u003cp\u003eThe Tumbling E test uses a single optotype, the E in four different positions; up, down, left and right. By using a single symbol optotype, this eye test can be administered to several different groups of people, including children, illiterate adults, non-speaking adults, and patients not familiar with the Roman alphabet. The patient will only have to signal which direction the E is facing.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481818273,"sku":"2310","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/f09a4b36-2310-scaled-1.jpg?v=1776157139"},{"product_id":"hotv-eye-chart-10-ft","title":"HOTV Eye Chart (10 ft)","description":"\u003cp\u003eTwo smaller groups 10\/20 to 10\/80 for repetitive eyesight testing (20\/40 to 20\/16 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHOTV optotypes are practical for use in schools for large vision screenings of younger children. HOTV chart features notations printed on each side of the chart to help prevent confusion while scoring and recording acuity vision. Also, HOTV chart includes a response key (CAT. NO. 2011 and 2012) for more precise scoring and easier vision testing. Preliterate children can use the response key to point to what letter they see, or hold up flash cards for each optotype.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481851041,"sku":"2001US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d6e0c71ca3722c71ddd73a242718257f_XL-scaled-1.jpg?v=1776157138"},{"product_id":"pv-numbers-massvat-vision-chart-with-50-spacing","title":"PV Numbers MassVAT vision chart with 50% spacing","description":"\u003cp\u003eTwo smaller groups 4.8M to 2.4M for repetitive testing (20\/32, 6\/9.5 to 20\/16, 6\/4.8 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eIf a proportionally spaced chart is too difficult for your patients, try using a chart containing a MassVAT format. Testability using the MassVAT format in young children is high. The rectangular outline surrounding the five optotypes is 50% of the width of the optotype. Thus, it provides adequate contour interaction to detect amblyopia. MassVAT Developed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D. MassVat formats are available in many different style charts.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921481883809,"sku":"2746","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/11ff9b4c887cc2e009006cc7fd3aeb4c_XL-scaled-1.jpg?v=1776157139"},{"product_id":"patti-pics-13-line-pediatric-vision-chart","title":"Patti Pics 13 Line Pediatric Vision Chart","description":"\u003cp\u003eProportional spacing.\u003c\/p\u003e\n\u003cp\u003eTwo smaller groups 3.8M to 1.2M for repetitive testing (20\/25, 6\/7.5 to 20\/8, 6\/2.4 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eAmong the many picture-like symbols for testing pediatrics, the Patti Pics are the only ones that have been designed explicitly to equal Sloan letters as used in ETDRS charts. We have now developed a fifth symbol for the Patti Pics test which, like the other vision symbols all blur equally at threshold. This fifth symbol improves confidence in test results by reducing the element of guessing correct answers from 25% to 20% per symbol.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Original Version","offer_id":45921481916577,"sku":"2524","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version A","offer_id":45921481949345,"sku":"2524A","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Scrambled Version B","offer_id":45921481982113,"sku":"2524B","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/0847d5211daa2cfcfde28d825aa07d5d_XL-scaled-1.jpg?v=1776157141"},{"product_id":"hotv-translucent-visual-acuity-chart-with-interaction-bars-at-50-spacing","title":"HOTV Translucent Visual Acuity Chart with interaction bars at 50% spacing","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHOTV chart uses a 50% spacing to incorporate interaction bars around each optotype. The interaction bars help the patient to better define each optotype. Also, the interaction bars help to detect early signs of functional defects like Amblyopia. HOTV optotypes are useful for testing preliterate children.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482014881,"sku":"2050","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/92c3523de61d06eebdc515f2babb64b9_XL.jpg?v=1776157138"},{"product_id":"house-apple-umbrella-translucent-vision-chart-2","title":"House Apple Umbrella Translucent Vision Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eUsed for vision testing in children by school nurses across the U.S.\u003c\/p\u003e\n\u003cp\u003eHouse, Apple and Umbrella are recognizable optotypes that are easily identifiable to preliterate children. House, Apple and Umbrella visual acuity test is another alternative in preliterate symbol screening. Chart features U.S. notations along the sides to prevent confusion and assist in distance equivalents.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482047649,"sku":"3402US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/de2df791682f079f8397226a3ff38bc7_XL-scaled-1.jpg?v=1776157138"},{"product_id":"patti-pics-13-lines-translucent-chart","title":"Patti pics 13 lines Translucent Chart","description":"\u003cp\u003eProportional spacing.\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eMade of high impact polystyrene.\u003c\/p\u003e\n\u003cp\u003eDesigned with and for U.S. school nurses.\u003c\/p\u003e\n\u003cp\u003ePatti Pics are among the many picture-like symbols for testing children, however Patti Pics are the only pediatric eye chart that has been designed explicitly to equal Sloan letters as used in ETDRS charts. Patti Pics are recognizable to children and help keep their attention during testing.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482080417,"sku":"2504US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/fe4bbe81600a40063594e597e00eb05b_XL-scaled-1.jpg?v=1776157138"},{"product_id":"patti-pics-massvat-childrens-eye-test-3-meters","title":"Patti Pics MassVAT Children's Eye Test 3 Meters","description":"\u003cul\u003e\n\u003cli\u003eMassVAT Designed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.\u003c\/li\u003e\n\u003cli\u003eTwo smaller groups 12M to 1.2M for repetitive testing (20\/80, 6\/24 to 20\/8, 6\/2.4 equiv.)\u003c\/li\u003e\n\u003cli\u003eManufactured to the 20\/16 acuity line\u003c\/li\u003e\n\u003cli\u003eCan be wall-mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MassVat format incorporates boxes around optotypes that are referred to as contour interaction bars. These bars help children focus on each line and can raise testing results. Also, the contoured interaction bars help detect early signs of childhood Amblyopia. Patti Pics optotypes coupled with the MassVat design, create an easy to use and accurate pediatric vision test.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482113185,"sku":"2584","price":69.75,"currency_code":"USD","in_stock":true}]},{"product_id":"landolt-c-series-etdrs","title":"Landolt C Series ETDRS®","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLandolt C charts are considered the gold standard of alternative eye charts since 1988. The chart was developed as an alternative to Snellen chart \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eoptotype\u003c\/span\u003e\u003cspan\u003es, which were not equally difficult. Each chart features only one carefully calibrated \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eoptotype \u003c\/span\u003e\u003cspan\u003eplaced in different positions (up, down, left, right, and 45 degree positions). The C used in the chart creates an equality throughout testing, giving the patient optimal opportunity. Patients must gesture or say which direction the C is facing, making testing simple and accurate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003eDownload Recording Forms for :\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/06\/ee1cc384-2208_recording_form.pdf\"\u003e2208\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e–\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/stateless-precision-vision\/2022\/06\/ef5c05e4-2210-recording-form.pdf\"\u003e2210\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/landolt-c-series-etdrs-chart-1-scrambled\/\"\u003eLooking For The Scrambled Version?\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Original Version \/ 2 m \/ 6.5 ft","offer_id":45921482145953,"sku":"2235","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Original Version \/ 2.5 m \/ 8.3 ft","offer_id":45921482178721,"sku":"2208","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Original Version \/ 3 m \/ 10 ft","offer_id":45921482211489,"sku":"2205","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Original Version \/ 4 m \/ 13 ft","offer_id":45921482244257,"sku":"2210","price":69.75,"currency_code":"USD","in_stock":true},{"title":"8 Directions \/ 4 m \/ 13 ft","offer_id":45921482277025,"sku":"2214","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 2 m \/ 6.5 ft","offer_id":46434366816417,"sku":"2235A","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 2.5 m \/ 8.3 ft","offer_id":46434366849185,"sku":"2208A","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 3 m \/ 10 ft","offer_id":46434366881953,"sku":"2205A","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 2 \/ 4 m \/ 13 ft","offer_id":46434366914721,"sku":"2210A","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 2 m \/ 6.5 ft","offer_id":46434366947489,"sku":"2235B","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 2.5 m \/ 8.3 ft","offer_id":46434366980257,"sku":"2208B","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 3 m \/ 10 ft","offer_id":46434367013025,"sku":"2205B","price":69.75,"currency_code":"USD","in_stock":true},{"title":"Chart 3 \/ 4 m \/ 13 ft","offer_id":46434367045793,"sku":"2210B","price":69.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/65672688a4f4c8a57ea38e20056bdce1_XL.jpg?v=1776157147"},{"product_id":"pv-numbers-25-michelson-contrast-chart-for-4-meter-testing","title":"PV Numbers 25% Michelson Contrast Chart for 4 Meter Testing","description":"\u003cp\u003eTwo groups for repetitive testing.\u003c\/p\u003e\n\u003cp\u003eCAT. NO. 2425 ETDRS Illuminator Cabinet is necessary with this chart.\u003c\/p\u003e\n\u003cp\u003eStudies and general practice has shown that regular contrast sensitivity testing can lead to the detection of early signs of many diseases. Some diseases include Glaucoma, Glare Problems, Parkinson's, and Cataracts. Also, by testing contrast vision during routine eye exams, more accurate and detailed records can be kept. Contrast vision changes throughout life and is different in each patient so accurate individual records are key to early detection of problems.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482309793,"sku":"2728-opt","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/7af0193b8351bd1eb04c09dfe5731fa3_XL.jpg?v=1776157139"},{"product_id":"texas-hotv-translucent-chart","title":"Texas HOTV Translucent Chart","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eGreat for school screenings.\u003c\/p\u003e\n\u003cp\u003eOptotypes useful for vision testing with younger children.\u003c\/p\u003e\n\u003cp\u003eHOTV Texas eye test was created specifically for the state of Texas Health Department protocol. It features crowding bars to help identify signs of separation difficulties. Also, HOTV chart helps to detect functional defects such as childhood Amblyopia. HOTV optotypes are useful for testing preliterate children and test includes response key for easier testing.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482342561,"sku":"2018US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d81dde7813bd99a2f6a5498a2ec932ec_XL-scaled-1.jpg?v=1776157139"},{"product_id":"hotv-interaction-bar-distance-eye-chart-10ft","title":"HOTV Interaction Bar Distance Eye Chart 10ft","description":"\u003cp\u003eHOTV visual acuity test includes interaction bars for easier identification of separation difficulties. HOTV test is also a great screener for childhood amblyopia. Use of 4 identifiable optotypes in conjunction with flash cards and response key makes a great tool for preliterate screenings and is used by school nurses.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482375329,"sku":"2005US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/ee760d1c1474fde7f8f71a96b2452e29_XL-scaled-1.jpg?v=1776157138"},{"product_id":"sloan-greene-hemianopsia-translucent-distance-chart","title":"SLOAN Greene Hemianopsia Translucent Distance Chart","description":"\u003cp\u003eHelps develop an effective treatment plan for hemianopic visual field loss.\u003c\/p\u003e\n\u003cp\u003eUses SLOAN letters placed in nine rows of nine letters each to form a square.\u003c\/p\u003e\n\u003cp\u003eUsed to test spatial orientation, blind field tracking, and or blind field saccadics.\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eHemianopsia is a condition where the vision on the same side of each eye is lost. This is can be caused by head injuries or the result of a stroke. Patients may list problems such as running into objects, people appear in front of them or not being able to navigate situations. Testing using the Greene Hemianopsia chart, can lead to the detection of this visual problem. Patients with hemianopsia may miss optotypes on one side of the chart or the other, or may loose their place easily while testing. Also, diagnosis of left or right hemianopsia is possible. After diagnosis, therapy including special techniques to overcome the hemianopsia may be used.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482440865,"sku":"2109","price":69.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/5b62d01506bd8a53b6c4928e25fa9b8a_XL.jpg?v=1776157139"},{"product_id":"tumbling-e-visual-acuity-color-vision-screening-2","title":"Tumbling \"E\" Visual Acuity \/ Color Vision Screening","description":"\u003cp\u003eRed and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eTumbling or Illiterate E charts have one of the best visual acuity thresholds among alternate symbol acuity tests. Tumbling E tests are considered comparable to Landolt C tests which are considered the basis of alternate symbol tests. Great for the detection of Astigmatism.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482408097,"sku":"2324","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/ce11944b98d0742eead2b016a253afd2_L.jpg?v=1776157138"},{"product_id":"sloan-striped-visual-acuity-chart-2","title":"Sloan Striped Visual Acuity Chart","description":"\u003cp\u003eRed and Green color bars for an easy and helpful place to start administering the test.\u003c\/p\u003e\n\u003cp\u003eTraditional Sloan optotypes are used in this chart along with red and green stripes for color vision screening. Sloan optotypes follow the Snellen 5x5 grid idea and blur equally at threshold. This eye chart is great for use in school screenings of middle school children.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482473633,"sku":"2101-10","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/4b9f9da50cf2f358abdcd4a4321104f9_XL-scaled-1.jpg?v=1776157138"},{"product_id":"house-apple-umbrella-translucent-vision-chart","title":"House Apple Umbrella Translucent Vision Chart","description":"\u003cp\u003eTwo small groups 10\/25 to 10\/8 for repetitive eyesight testing (20\/50 to 20\/16 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eU.S. notations are printed on the chart to prevent any confusion when recording results.\u003c\/p\u003e\n\u003cp\u003eMade of high impact polystyrene.\u003c\/p\u003e\n\u003cp\u003eHouse, Apple, Umbrella test features two smaller groups toward the bottom of the chart. These groups aid in repetitive testing and help minimize memorization. House, Apple, Umbrella charts are useful for testing preliterate children and help in school screenings.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482506401,"sku":"3401US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/59b514757c03f4e14c006ca63de02928_XL-scaled-1.jpg?v=1776157139"},{"product_id":"hotv-massvat-vision-screening-test-50-spacing","title":"HOTV MassVat Vision Screening Test 50% Spacing","description":"\u003cp\u003eMassVAT Designed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eThe MassVat Design helps to isolate the optotypes for better identification and helps to keep the attention of children longer during the test taking process. MassVat uses contour interaction bars around each line to help keep the child focused on testing. Furthermore, the contour interaction achieved by the MassVat design is a great test for detecting signs of amblyopia.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482539169,"sku":"2013US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/bdc7d0f30e0c420b2ac279d6a1c096e4_XL-scaled-1.jpg?v=1776157139"},{"product_id":"patti-pics-massvat-8-line-translucent-eye-test-chart","title":"Patti Pics MassVAT 8 Line Translucent Eye Test Chart","description":"\u003cp\u003eMassVAT Designed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.\u003c\/p\u003e\n\u003cp\u003eTwo smaller groups 4.8M to 2.4M for repetitive eyesight testing (20\/32, 6\/9.5 to 20\/16, 6\/4.8 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003ePatti Pics are stylized pictures designed by Precision Vision on the basis of the 5x5 Snellen grid, and calibrated for equal recognizability against Sloan letters. Visual acuity readings should not change appreciably when children are advanced from Patti Pics to a regular letter chart. This calibration helps to lessen the mistaken loss or gain of lines. Did you know that if a proportionally spaced chart is too difficult for your patients, try using a chart containing a MassVAT format. Testability using the MassVAT format in young children is high. The rectangular outline surrounding the five optotypes is 50% of the width of the optotype. Thus, it provides adequate contour interaction to detect Amblyopia.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482571937,"sku":"2591-opt","price":17.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/c75601cf4b798b9bb038a5b73c93d358_XL-scaled-1.jpg?v=1776157139"},{"product_id":"snellen-chart-red-and-green-bar-visual-acuity-test","title":"Snellen Chart: Red and Green Bar Visual Acuity Test","description":"\u003cp\u003eThis Snellen chart includes Red and Green color bars for an easy and helpful place start the test.\u003c\/p\u003e\n\u003cp\u003eScreens for Amblyopia.\u003c\/p\u003e\n\u003cp\u003eSnellen optotypes date back to 1862, when Herman Snellen released his first eye test in England. These Snellen optotypes have changed little throughout the years and are used regularly today. These optotypes feature strong serifs and follow idea of the 5x5 grid. This idea is being used by many other optotypes today, including Sloan and Patti Pics optotypes. Snellen chart is also coupled with red and green stripes for an ease of testing.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482604705,"sku":"5010","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/e529a8dc22bd84a37f6f8ae6b8ce40d3_XL-scaled-1.jpg?v=1776157139"}],"url":"https:\/\/precision-vision.com\/collections\/letter-number-and-symbol-charts.oembed?page=2","provider":"Precision Vision","version":"1.0","type":"link"}