{"product_id":"trans-illuminated-contrast-sensitivity","title":"Trans-Illuminated Contrast Sensitivity","description":"\u003cp\u003e\u003cstrong\u003ePelli-Robson Trans-Illuminated Contrast Sensitivity Chart\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCat No 5016 for Low Vision\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e(Choose from the drop down menu when ordering)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCat No 5017 for Peak Contrast Sensitivity\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e(Choose from the drop down menu when ordering)\u003c\/p\u003e\n\u003cp\u003eThe trans-illuminated versions are identical to the original “Gold Standard” Pelli-Robson Contrast Sensitivity Charts. These charts cover ¾ of the original contrast range and are manufactured to the same true log steps and use the same letters and letter sizes as the originals.\u003c\/p\u003e\n\u003cp\u003eTrans-illumination has the advantage of uniform fixed illumination and eliminates the need for staging the room and verifying chart luminance with room lighting. These charts require using our ETDRS Illuminator Cabinet™, Cat. No.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/blogs\/newsletters\/etdrs-illuminator-cabinet-new-lamp-filter-tube-precision-vision\"\u003e2425 \u003c\/a\u003eand our 85 cd\/m2 lamp filter, Cat No\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/products\/85-cd-m2-lamp-filter-tube\/\"\u003e2427D85\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChart 5016\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003edesignated for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLow Vision\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003euses the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eupper 12 contrast levels\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eranging from 0 – 1.65 Log CS (100% – 2.2% Weber).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChart 5017\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003edesignated for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePeak Contrast Sensitivity\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003euses the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elower 12 contrast levels\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eranging from 0.6 – 2.25 Log CS (25% – 0.56% Weber)\u003c\/p\u003e\n\u003cp\u003eThese charts are manufactured to tolerances better than the accepted standard of \/- .05 Log CS and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eresearchers can order reports of actual contrast values\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eto accompany their chart at the time of ordering for an additional charge.\u003c\/p\u003e\n\u003cp\u003eThe “A” and “B” versions of each are different letter sets to minimize memorization. (Choose from the drop down menu when ordering)\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ PV Numbers \/ Full Set","offer_id":46117440651425,"sku":"5018A, 5018B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ PV Numbers \/ Full Set","offer_id":46117440684193,"sku":"5019A, 5019B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ PV Numbers \/ Scrambled Version B","offer_id":46117440716961,"sku":"5018B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Landolt C \/ Scrambled Version B","offer_id":46117440749729,"sku":"5022B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Landolt C \/ Scrambled Version A","offer_id":46117440782497,"sku":"5022A","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Landolt C \/ Full Set","offer_id":46117440815265,"sku":"5022A, 5022B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Landolt C \/ Scrambled Version B","offer_id":46117440848033,"sku":"5023B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Landolt C \/ Scrambled Version A","offer_id":46117440880801,"sku":"5023A","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Landolt C \/ Full Set","offer_id":46117440913569,"sku":"5023A, 5023B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ PV Numbers \/ Scrambled Version A","offer_id":46117440946337,"sku":"5018A","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Sloan \/ Full Set","offer_id":46117440979105,"sku":"5017A, 5017B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ PV Numbers \/ Scrambled Version B","offer_id":46117441011873,"sku":"5019B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ PV Numbers \/ Scrambled Version A","offer_id":46117441044641,"sku":"5019A","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Sloan \/ Scrambled Version B","offer_id":46117441077409,"sku":"5016B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Sloan \/ Scrambled Version A","offer_id":46117441110177,"sku":"5016A","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Low Contrast Visual Acuity - 0.56% - 25% \/ Sloan \/ Full Set","offer_id":46117441142945,"sku":"5016A, 5016B","price":600.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Sloan \/ Scrambled Version B","offer_id":46117441175713,"sku":"5017B","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Peak Contrast Sensitivity - 2.2% - 100% \/ Sloan \/ Scrambled Version A","offer_id":46117441208481,"sku":"5017A","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/893c4fdc824f051f07606f44d5d60e5a_XL.jpg?v=1777615376","url":"https:\/\/precision-vision.com\/products\/trans-illuminated-contrast-sensitivity","provider":"Precision Vision","version":"1.0","type":"link"}