{"product_id":"sloan-letters-chart","title":"SLOAN Letters Chart","description":"\u003cp\u003eTwo smaller groups 5M to 2M for repetitive testing (20\/40, 6\/12 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eSmall Illuminator Cabinet\u003cspan\u003e \u003c\/span\u003eis necessary for these low contrast charts.\u003c\/p\u003e\n\u003cp\u003eHelps detect early signs of vision loss from forming cataracts.\u003c\/p\u003e\n\u003cp\u003eExtremely useful in clinical testing.\u003c\/p\u003e\n\u003cp\u003eContrast Sensitivity tests are extremely calibrated tests. By using Sloan letters based off of a 5×5 grid, along with highly calibrated contrast levels, patients are tested with a highly reliable tool. Contrast Sensitivity tests also depend on the proper retro illumination. Such illumination can be obtained through a small illuminator cabinet and is highly recommended. Many times using ambient lighting will change the contrast level, thereby creating a different test. Proper testing will lead to more reliable results and a more accurate diagnosis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/special-4-meter-sloan-letters-translucent-contrast-chart-for-914-cabinet\/\"\u003eCan’t find the version you need?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"2 m \/ 6.5 ft \/ 10%","offer_id":45921496531105,"sku":"2132-2","price":53.5,"currency_code":"USD","in_stock":true},{"title":"3 m \/ 10 ft \/ 1.25%","offer_id":45921496563873,"sku":"2129","price":53.5,"currency_code":"USD","in_stock":true},{"title":"3 m \/ 10 ft \/ 25%","offer_id":45921496596641,"sku":"2133","price":53.5,"currency_code":"USD","in_stock":true},{"title":"3 m \/ 10 ft \/ 10%","offer_id":45921496629409,"sku":"2132","price":53.5,"currency_code":"USD","in_stock":true},{"title":"3 m \/ 10 ft \/ 5%","offer_id":45921496662177,"sku":"2131","price":53.5,"currency_code":"USD","in_stock":true},{"title":"3 m \/ 10 ft \/ 2.5%","offer_id":45921496694945,"sku":"2130","price":53.5,"currency_code":"USD","in_stock":true},{"title":"4 m \/ 13 ft \/ 1.25%","offer_id":45921496727713,"sku":"2184","price":53.5,"currency_code":"USD","in_stock":true},{"title":"4 m \/ 13 ft \/ 2.5%","offer_id":45921496760481,"sku":"2185","price":64.25,"currency_code":"USD","in_stock":true},{"title":"4 m \/ 13 ft \/ 5%","offer_id":45921496793249,"sku":"2186","price":64.25,"currency_code":"USD","in_stock":true},{"title":"4 m \/ 13 ft \/ 10%","offer_id":45921496826017,"sku":"2187","price":53.5,"currency_code":"USD","in_stock":true},{"title":"4 m \/ 13 ft \/ 25%","offer_id":45921496858785,"sku":"2188","price":53.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/LowContrastsloanvisonlosstool.jpg?v=1776157190","url":"https:\/\/precision-vision.com\/products\/sloan-letters-chart","provider":"Precision Vision","version":"1.0","type":"link"}