{"title":"Colenbrander","description":null,"products":[{"product_id":"mixed-contrast-chart","title":"Mixed Contrast Chart","description":"\u003cp\u003eThe Colenbrander Mixed contrast chart contains Black and 20% Weber (11% michelson) contrast.\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Default Title","offer_id":45921483686049,"sku":"4100","price":131.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/3a4499a4c30d6f082d254099c90f2c24_XL.jpg?v=1776157145"},{"product_id":"low-vision-letter-chart-in-multiple-languages","title":"Low Vision Letter Chart - In Multiple Languages","description":"\u003cp\u003eChart contains SLOAN letters in LogMAR increments. Optotypes range in size from 50M to 5M on the main chart and from 6M to 1M on the inside chart.\u003c\/p\u003e\n\u003cp\u003eWhen used at 1 meter, the main chart covers the entire Low Vision range from 1\/1(20\/1000, 0.02) to 1\/5(20\/100, 0.2 and extends to 1\/1 (20\/20, 1.0) on the inside chart.\u003c\/p\u003e\n\u003cp\u003eA cord with an occluder is attached to accurately maintain the 1-meter testing distance.\u003c\/p\u003e\n\u003cp\u003eThe back of the card contains proportionally spaced reading segments from 4M to 0.6M in Times Roman font. From 3M on, two sets are provided to avoid memorization.\u003c\/p\u003e\n\u003cp\u003eEach line contains the same number of letters and spaces.\u003c\/p\u003e\n\u003cp\u003eDiopter ruler and instructions are included.\u003c\/p\u003e\n\u003cp\u003eMost acuity vision charts have the patient identify single letters in a line. Continuous text chart are designed to simulate everyday reading tasks for patients by using actual sentences. These sentences are calibrated to have a specific number of letters and spaces to create an equal test.\u003c\/p\u003e\n\u003cp\u003eAlso Available in a Variety of Languages:\u003cbr\u003eEnglish Part # 4001\u003cbr\u003eSpanish Part # 4002\u003cbr\u003ePortuguese Part # 4003\u003cbr\u003eGerman Part # 4004\u003cbr\u003eDutch Part # 4005\u003cbr\u003eFinnish Part # 4006\u003cbr\u003eSwedish Part # 4007\u003cbr\u003eItalian Part # 4008\u003cbr\u003eFrench Part # 4009\u003cbr\u003eNorwegian Part #4000-19\u003c\/p\u003e\n\u003cp\u003eFor more info please visit: \u003ca href=\"https:\/\/www.ski.org\/Colenbrander\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.ski.org\/Colenbrander\u003c\/a\u003e\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"English","offer_id":45921483718817,"sku":"4001","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Spanish","offer_id":45921483751585,"sku":"4002","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Portuguese","offer_id":45921483784353,"sku":"4003","price":76.0,"currency_code":"USD","in_stock":true},{"title":"German","offer_id":45921483817121,"sku":"4004","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Dutch","offer_id":45921483849889,"sku":"4005","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Finnish","offer_id":45921483882657,"sku":"4006","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Swedish","offer_id":45921483915425,"sku":"4007","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Italian","offer_id":45921483948193,"sku":"4008","price":76.0,"currency_code":"USD","in_stock":true},{"title":"French","offer_id":45921483980961,"sku":"4009","price":76.0,"currency_code":"USD","in_stock":true},{"title":"Norwegian","offer_id":45921484013729,"sku":"4000-19","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/a01253be6ea05e1e8a72b1a2a0636467_XL.jpg?v=1776157165"},{"product_id":"colenbrander-mixed-contrast-card","title":"Colenbrander Mixed Contrast Card","description":"\u003cp\u003eMixed Contrast Card designed by Dr. August Colenbrander M.D., Ph.D. with Reading Acuity On One Side, Letter Acuity on Other Side. Both sides calibrated for 40cm and include high contrast and low contrast (20% Weber\/ 10% Michelson) on the same chart face.\u003c\/p\u003e\n\u003cp\u003eThe print sizes follow the standard logarithmic sequence. Each line of text has the same number of characters. Basic reading assessment is important, since it may show the effect of para-central scotomata that do not yet interfere with central letter acuity. Each set comes with complete instructions, background, and recording sheet for scoring.\u003c\/p\u003e\n\u003cp\u003eReading Acuity Side In your choice of:\u003cbr\u003eENGLISH Part # 4071\u003cbr\u003eSPANISH Part # 4072\u003cbr\u003ePORTUGUESE Part # 4073\u003cbr\u003eGERMAN Part # 4074\u003cbr\u003eDUTCH Part # 4075\u003cbr\u003eFINNISH Part # 4076\u003cbr\u003eSWEDISH Part # 4077\u003cbr\u003eITALIAN Part # 4078\u003cbr\u003eFRENCH Part # 4079\u003cbr\u003eNORWEGIAN Part # 4070-19\u003cbr\u003eDANISH Part # 4080\u003cbr\u003eTAGALOG Part #4081\u003c\/p\u003e\n\u003cp\u003eThis is one card of a two card set. Each card is sold separately. \u003ca href=\"\/products\/intermediate-and-computer-acuity-chart\"\u003eThe other card in English is CAT NO. 4070\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Norwegian","offer_id":45921485783201,"sku":"4070-19","price":69.0,"currency_code":"USD","in_stock":true},{"title":"English","offer_id":45921485815969,"sku":"4071","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Spanish","offer_id":45921485848737,"sku":"4072","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Portuguese","offer_id":45921485881505,"sku":"4073","price":69.0,"currency_code":"USD","in_stock":true},{"title":"German","offer_id":45921485914273,"sku":"4074","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Dutch","offer_id":45921485947041,"sku":"4075","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Finnish","offer_id":45921485979809,"sku":"4076","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Swedish","offer_id":45921486012577,"sku":"4077","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Italian","offer_id":45921486045345,"sku":"4078","price":69.0,"currency_code":"USD","in_stock":true},{"title":"French","offer_id":45921486078113,"sku":"4079","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Danish","offer_id":45921486110881,"sku":"4080","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Tagalog","offer_id":45921486143649,"sku":"4081","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/8ab790b9074fed051af256aa504a66b7_XL.jpg?v=1776157174"},{"product_id":"patti-pics-colenbrander-low-vision-chart","title":"Patti Pics Colenbrander Low Vision Chart","description":"\u003cp\u003eFeatures a second optotype section for easy repetitive testing\u003c\/p\u003e\n\u003cp\u003eGreat for testing pediatrics\u003c\/p\u003e\n\u003cp\u003ePatti Pics optotypes use 5 symbols for easy pediatric testing. Each symbol is easy to identify and equally difficult. Also, Patti Pics are based from the standards of Sloan optotypes. This helps to ease the transition between pediatric testing and adult testing.\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Default Title","offer_id":45921488109729,"sku":"2580","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/ca518bf183c339c376b4bdc5c275df01_XL-scaled-1.jpg?v=1776157159"},{"product_id":"intermediate-and-computer-acuity-chart","title":"Intermediate and Computer Acuity Chart","description":"\u003cp\u003eColenbrander Mixed Contrast Card for Computer Distance 63cm (Front) and Intermediate Distance 100cm (Back). Choice of Letters or Numbers\/Tumbling E’s on Front \u0026amp; Back – One Chart.\u003c\/p\u003e\n\u003cp\u003eUses 10% calibrated Contrast Sensitivity level with Acuity.\u003c\/p\u003e\n\u003cp\u003eDesigned by Dr. August Colenbrander.\u003c\/p\u003e\n\u003cp\u003eConventional, high-contrast letter chart acuity captures only one aspect of visual performance. Low contrast acuity is equally important for activities of daily living, since most everyday objects have less than black-on-white contrast, are larger than the smallest letters seen on a letter chart and are seen at various intermediate distances.\u003c\/p\u003e\n\u003cp\u003eAll tests provide HC targets on the left and LC targets (10% contrast) on the right. The left-hand margin indicates the letter size in M-units. Calibrated for use at 63 cm (25\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Letters","offer_id":45921508524193,"sku":"4070","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Numbers\/Tumbling E’s","offer_id":45921508556961,"sku":"4070EN","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/9f9f79e544fb8eb705d18df3c18b9f0a_XL.jpg?v=1776157224"},{"product_id":"near-vision-mixed-contrast","title":"Near Vision, Mixed Contrast","description":"\u003ch1 class=\"product_title entry-title\"\u003eMixed Contrast Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eDesigned as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational tool to demonstrate the effect of contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian, French, and Danish.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Mixed Contrast Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNot time consuming (avg. read time: 45 sec.).\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational toll to demonstrate the effect on contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eNear vision test features the mixture of acuity testing and 10% contrast sensitivity testing in one chart. Patients are tested for each simultaneously in a continuous text format. This format uses simple calibrated sentences which make testing easy and quick. This near point continuous text chart is also available in multiple languages including: English, Spanish, German, French, Portuguese, Finnish, Swedish, Italian, and Greek.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNotations for commonly recommended testing standard of 40 cm (16 in.).\u003c\/p\u003e\n\u003cp\u003eEnglish reading card with sentences of equal length and difficulty.\u003c\/p\u003e\n\u003cp\u003eLetter sizes from 6.3M to .32M in Times Roman Font.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian , French, and Greek.\u003c\/p\u003e\n\u003cp\u003eContinuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper. This is important because it is the main part of everyday vision. Also, by testing with continuous text, doctors can establish a basis for prescriptions of magnification for corrective lenses. If everyday vision tasks are made easier, in turn the patient’s life can be easier.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eLow Vision Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eLAYOUT\u003cbr\u003e\nThe card contains proportionally spaced reading segments in LogMAR on two sides. Side one increments ranging in size from 10m to 3m in Times Roman font. Side two features two charts From 4m to 0.6m, two sets are provided to avoid memorization. Each line contains the same number of letters and spaces. A diopter ruler is included.\u003c\/p\u003e\n\u003cp\u003eREADING ACUITY\u003cbr\u003e\nAny patient who can read even one segment at any distance deserves a low vision evaluation.\u003c\/p\u003e\n\u003cp\u003eUse of the diopter ruler allows a quick check of the reading distance against the reading add. It also allows verifying the reading acuity, using the modified Snellen formula: 1\/V = M x D (M = letter size in M-units, D = viewing distand in diopters.) Examples: at 40 cm (2.5D) the 10m text represents 1\/25 (20\/500, 0.04), since 10m x 2.5D = 25. At 20cm (5D) 10m represents 1\/50 (20\/1000, 0.02), since 10m x 5D = 50. At 40cm (2.5D) the smalles print (0.06) represents 1\/16 (20\/32, 0.32), since 0.6m x 2.5D = 1.6.\u003c\/p\u003e\n\u003cp\u003eREADING FLUENCY\u003cbr\u003e\nSince all lines have the same length, reading performance can be times to determine the level of magnification that will give optimum performance.\u003c\/p\u003e\n\u003cp\u003e----------\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Danish","offer_id":45921509507233,"sku":"4035-DANISH","price":69.0,"currency_code":"USD","in_stock":true},{"title":"English","offer_id":45921509540001,"sku":"4031","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Spanish","offer_id":45921509572769,"sku":"4032","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Portuguese","offer_id":45921509605537,"sku":"4033","price":69.0,"currency_code":"USD","in_stock":true},{"title":"German","offer_id":45921509638305,"sku":"4034","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Finnish","offer_id":45921509671073,"sku":"4036","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Swedish","offer_id":45921509703841,"sku":"4037","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Italian","offer_id":45921509736609,"sku":"4038","price":69.0,"currency_code":"USD","in_stock":true},{"title":"French","offer_id":45921509769377,"sku":"4039","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Greek","offer_id":45921509802145,"sku":"4030-12","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Dutch","offer_id":45921509834913,"sku":"4035-DUTCH","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d5df152e20908e75d0017d93f2a154f3_XL-scaled-1.jpg?v=1776157241"},{"product_id":"low-vision-standard-contrast","title":"Low Vision, Standard Contrast","description":"\u003ch1 class=\"product_title entry-title\"\u003eMixed Contrast Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eDesigned as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational tool to demonstrate the effect of contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian, French, and Danish.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Mixed Contrast Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNot time consuming (avg. read time: 45 sec.).\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational toll to demonstrate the effect on contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eNear vision test features the mixture of acuity testing and 10% contrast sensitivity testing in one chart. Patients are tested for each simultaneously in a continuous text format. This format uses simple calibrated sentences which make testing easy and quick. This near point continuous text chart is also available in multiple languages including: English, Spanish, German, French, Portuguese, Finnish, Swedish, Italian, and Greek.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNotations for commonly recommended testing standard of 40 cm (16 in.).\u003c\/p\u003e\n\u003cp\u003eEnglish reading card with sentences of equal length and difficulty.\u003c\/p\u003e\n\u003cp\u003eLetter sizes from 6.3M to .32M in Times Roman Font.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian , French, and Greek.\u003c\/p\u003e\n\u003cp\u003eContinuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper. This is important because it is the main part of everyday vision. Also, by testing with continuous text, doctors can establish a basis for prescriptions of magnification for corrective lenses. If everyday vision tasks are made easier, in turn the patient’s life can be easier.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eLow Vision Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eLAYOUT\u003cbr\u003e\nThe card contains proportionally spaced reading segments in LogMAR on two sides. Side one increments ranging in size from 10m to 3m in Times Roman font. Side two features two charts From 4m to 0.6m, two sets are provided to avoid memorization. Each line contains the same number of letters and spaces. A diopter ruler is included.\u003c\/p\u003e\n\u003cp\u003eREADING ACUITY\u003cbr\u003e\nAny patient who can read even one segment at any distance deserves a low vision evaluation.\u003c\/p\u003e\n\u003cp\u003eUse of the diopter ruler allows a quick check of the reading distance against the reading add. It also allows verifying the reading acuity, using the modified Snellen formula: 1\/V = M x D (M = letter size in M-units, D = viewing distand in diopters.) Examples: at 40 cm (2.5D) the 10m text represents 1\/25 (20\/500, 0.04), since 10m x 2.5D = 25. At 20cm (5D) 10m represents 1\/50 (20\/1000, 0.02), since 10m x 5D = 50. At 40cm (2.5D) the smalles print (0.06) represents 1\/16 (20\/32, 0.32), since 0.6m x 2.5D = 1.6.\u003c\/p\u003e\n\u003cp\u003eREADING FLUENCY\u003cbr\u003e\nSince all lines have the same length, reading performance can be times to determine the level of magnification that will give optimum performance.\u003c\/p\u003e\n\u003cp\u003e----------\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Danish","offer_id":45921509867681,"sku":"4060-15","price":90.0,"currency_code":"USD","in_stock":true},{"title":"English","offer_id":45921509900449,"sku":"4011","price":55.25,"currency_code":"USD","in_stock":true},{"title":"Spanish","offer_id":45921509933217,"sku":"4012","price":55.25,"currency_code":"USD","in_stock":true},{"title":"Portuguese","offer_id":45921509965985,"sku":"4013","price":55.0,"currency_code":"USD","in_stock":true},{"title":"German","offer_id":45921509998753,"sku":"4014","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Dutch","offer_id":45921510031521,"sku":"4015","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Finnish","offer_id":45921510064289,"sku":"4016","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Swedish","offer_id":45921510097057,"sku":"4017","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Italian","offer_id":45921510129825,"sku":"4018","price":55.0,"currency_code":"USD","in_stock":true},{"title":"French","offer_id":45921510162593,"sku":"4019","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Greek","offer_id":45921510195361,"sku":"4016-15","price":74.75,"currency_code":"USD","in_stock":true},{"title":"Norwegian","offer_id":45921510228129,"sku":"4010-19","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d5df152e20908e75d0017d93f2a154f3_XL-scaled-1_e6e74778-58b6-4998-a694-78c67c2c1c9b.jpg?v=1776157248"},{"product_id":"colenbrander-reading-card-near-vision-standard-contrast","title":"Colenbrander Reading Card (Near Vision, Standard Contrast)","description":"\u003ch1 class=\"product_title entry-title\"\u003eMixed Contrast Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eDesigned as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational tool to demonstrate the effect of contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian, French, and Danish.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Mixed Contrast Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNot time consuming (avg. read time: 45 sec.).\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational toll to demonstrate the effect on contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eNear vision test features the mixture of acuity testing and 10% contrast sensitivity testing in one chart. Patients are tested for each simultaneously in a continuous text format. This format uses simple calibrated sentences which make testing easy and quick. This near point continuous text chart is also available in multiple languages including: English, Spanish, German, French, Portuguese, Finnish, Swedish, Italian, and Greek.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eContinuous Text Near Vision Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eNotations for commonly recommended testing standard of 40 cm (16 in.).\u003c\/p\u003e\n\u003cp\u003eEnglish reading card with sentences of equal length and difficulty.\u003c\/p\u003e\n\u003cp\u003eLetter sizes from 6.3M to .32M in Times Roman Font.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian , French, and Greek.\u003c\/p\u003e\n\u003cp\u003eContinuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper. This is important because it is the main part of everyday vision. Also, by testing with continuous text, doctors can establish a basis for prescriptions of magnification for corrective lenses. If everyday vision tasks are made easier, in turn the patient’s life can be easier.\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eLow Vision Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eLAYOUT\u003cbr\u003e\nThe card contains proportionally spaced reading segments in LogMAR on two sides. Side one increments ranging in size from 10m to 3m in Times Roman font. Side two features two charts From 4m to 0.6m, two sets are provided to avoid memorization. Each line contains the same number of letters and spaces. A diopter ruler is included.\u003c\/p\u003e\n\u003cp\u003eREADING ACUITY\u003cbr\u003e\nAny patient who can read even one segment at any distance deserves a low vision evaluation.\u003c\/p\u003e\n\u003cp\u003eUse of the diopter ruler allows a quick check of the reading distance against the reading add. It also allows verifying the reading acuity, using the modified Snellen formula: 1\/V = M x D (M = letter size in M-units, D = viewing distand in diopters.) Examples: at 40 cm (2.5D) the 10m text represents 1\/25 (20\/500, 0.04), since 10m x 2.5D = 25. At 20cm (5D) 10m represents 1\/50 (20\/1000, 0.02), since 10m x 5D = 50. At 40cm (2.5D) the smalles print (0.06) represents 1\/16 (20\/32, 0.32), since 0.6m x 2.5D = 1.6.\u003c\/p\u003e\n\u003cp\u003eREADING FLUENCY\u003cbr\u003e\nSince all lines have the same length, reading performance can be times to determine the level of magnification that will give optimum performance.\u003c\/p\u003e\n\u003cp\u003e----------\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"English","offer_id":45921510260897,"sku":"4041","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Spanish","offer_id":45921510293665,"sku":"4042","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Portuguese","offer_id":45921510326433,"sku":"4043","price":34.5,"currency_code":"USD","in_stock":true},{"title":"German","offer_id":45921510359201,"sku":"4044","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Dutch","offer_id":45921510391969,"sku":"4045","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Finnish","offer_id":45921510424737,"sku":"4046","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Swedish","offer_id":45921510457505,"sku":"4047","price":35.0,"currency_code":"USD","in_stock":true},{"title":"Italian","offer_id":45921510490273,"sku":"4048","price":34.5,"currency_code":"USD","in_stock":true},{"title":"French","offer_id":45921510523041,"sku":"4049","price":34.5,"currency_code":"USD","in_stock":true},{"title":"Greek","offer_id":45921510555809,"sku":"4040-12","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/7a0c9d8bd9eadf879f0011817e8c2396_XL-scaled-1.jpg?v=1776157247"},{"product_id":"low-vision-mixed-contrast","title":"Low Vision, Mixed Contrast","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/156312e3-4061mixedcontrast-scaled.jpg?v=1777638451\" alt=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\"\u003eMixed Contrast Reading Card – In Multiple Languages\u003c\/h1\u003e\n\u003cp\u003eDesigned as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card, one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational tool to demonstrate the effect of contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian, French, and Danish.\u003c\/p\u003e\n\u003cp\u003eNot time-consuming (avg. read time: 45 sec.).\u003c\/p\u003e\n\u003cp\u003eUnrelated simple sentences at 4th grade level.\u003c\/p\u003e\n\u003cp\u003eServes as an educational toll to demonstrate the effect on contrast deficits to patients and family members.\u003c\/p\u003e\n\u003cp\u003eNear vision test features the mixture of acuity testing and 10% contrast sensitivity testing in one chart. Patients are tested for each simultaneously in a continuous text format. This format uses simple calibrated sentences which makes testing easy and quick. This near point continuous text chart is also available in multiple languages including English, Spanish, German, French, Portuguese, Finnish, Swedish, Italian, and Greek.\u003c\/p\u003e\n\u003cp\u003eNotations for commonly recommended testing standard of 40 cm (16 in.).\u003c\/p\u003e\n\u003cp\u003eEnglish reading card with sentences of equal length and difficulty.\u003c\/p\u003e\n\u003cp\u003eLetter sizes from 10M to 0.6M in Times Roman Font.\u003c\/p\u003e\n\u003cp\u003eAlso Available in Spanish, Portuguese, German, Dutch , Finnish , Swedish , Italian, French, and Greek.\u003c\/p\u003e\n\u003cp\u003eContinuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper. This is important because it is the main part of everyday vision. Also, by testing with continuous text, doctors can establish a basis for prescriptions of magnification for corrective lenses. If everyday vision tasks are made easier, in turn the patient’s life can be easier.\u003c\/p\u003e\n\u003cp\u003eLAYOUT\u003cbr\u003eThe card contains proportionally spaced reading segments in LogMAR on two sides. Side one increments ranging in size from 10m to 3m in Times Roman font. Side two features two charts From 4m to 0.6m, two sets are provided to avoid memorization. Each line contains the same number of letters and spaces. A diopter ruler is included.\u003c\/p\u003e\n\u003cp\u003eREADING ACUITY\u003cbr\u003eAny patient who can read even one segment at any distance deserves a low vision evaluation.\u003c\/p\u003e\n\u003cp\u003eUse of the diopter ruler allows a quick check of the reading distance against the reading add. It also allows verifying the reading acuity, using the modified Snellen formula: 1\/V = M x D (M = letter size in M-units, D = viewing distance in diopters.) Examples: at 40 cm (2.5D) the 10m text represents 1\/25 (20\/500, 0.04), since 10m x 2.5D = 25. At 20cm (5D) 10m represents 1\/50 (20\/1000, 0.02), since 10m x 5D = 50. At 40cm (2.5D) the smallest print (0.06) represents 1\/16 (20\/32, 0.32), since 0.6m x 2.5D = 1.6.\u003c\/p\u003e\n\u003cp\u003eREADING FLUENCY\u003cbr\u003eSince all lines have the same length, reading performance can be timed to determine the level of magnification that will give optimum performance.\u003c\/p\u003e","brand":"Colenbrander, Precision Vision","offers":[{"title":"English \/ Eye Chart","offer_id":45921510588577,"sku":"4061","price":89.75,"currency_code":"USD","in_stock":true},{"title":"Danish \/ Eye Chart","offer_id":45921510621345,"sku":"4065-15","price":74.75,"currency_code":"USD","in_stock":true},{"title":"Spanish \/ Eye Chart","offer_id":45921510654113,"sku":"4062","price":89.75,"currency_code":"USD","in_stock":true},{"title":"Portuguese \/ Eye Chart","offer_id":45921510686881,"sku":"4063","price":90.0,"currency_code":"USD","in_stock":true},{"title":"German \/ Eye Chart","offer_id":45921510719649,"sku":"4064","price":90.0,"currency_code":"USD","in_stock":true},{"title":"Dutch \/ Eye Chart","offer_id":45921510752417,"sku":"4065","price":90.0,"currency_code":"USD","in_stock":true},{"title":"Finnish \/ Eye Chart","offer_id":45921510785185,"sku":"4066","price":90.0,"currency_code":"USD","in_stock":true},{"title":"Swedish \/ Eye Chart","offer_id":45921510817953,"sku":"4067","price":90.0,"currency_code":"USD","in_stock":true},{"title":"Italian \/ Eye Chart","offer_id":45921510850721,"sku":"4068","price":89.75,"currency_code":"USD","in_stock":true},{"title":"French \/ Eye Chart","offer_id":45921510883489,"sku":"4069","price":90.0,"currency_code":"USD","in_stock":true},{"title":"Norweigian \/ Eye Chart","offer_id":45921510916257,"sku":"4060-19","price":89.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/d5df152e20908e75d0017d93f2a154f3_XL-scaled-1_e723dc5f-0ffe-4fa3-be7f-1d71463a7c7f.jpg?v=1776157247"},{"product_id":"colenbrander-ruler","title":"Colenbrander Ruler","description":"\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003eThe COLENBRANDER DIOPTER RULER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe ruler shows inches and centimeters. Most important, however, is the center scale, which shows DIOPTERS. Recording the reading distance in \u003cstrong\u003ediopters \u003c\/strong\u003e(the reciprocal of the distance in meters) greatly simplifies calculations and comparisons. It replaces the use of a visual acuity fraction\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003e\u003cem\u003e(V = m \/ M = distance in meters \/ letter size) \u003c\/em\u003e\u003c\/strong\u003ewith a multiplication \u003cstrong\u003e\u003cem\u003e(1\/V = M.x.D = letter size x \u003c\/em\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003edistance in diopters)\u003c\/em\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eMeasuring the reading distance in diopters provides a simple check on the power of the reading add.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe \u003cstrong\u003ediamonds \u003c\/strong\u003eon the ruler represent steps that are equivalent to the print sample steps. For each diamond that the print is brought closer, the patient should be able to read one print size smaller, provided that the reading add is adjusted accordingly.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe short end of the ruler provides an \u003cstrong\u003eM-unit scale \u003c\/strong\u003eto measure the size of unknown print samples.\u003c\/p\u003e","brand":"Colenbrander","offers":[{"title":"Default Title","offer_id":45921511014561,"sku":"Colenbrander Ruler","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/Colenbrander_Diopter_Ruler_Front.jpg?v=1776157235"}],"url":"https:\/\/precision-vision.com\/collections\/colenbrander.oembed","provider":"Precision Vision","version":"1.0","type":"link"}