{"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","url":"https:\/\/precision-vision.com\/products\/tumbling-e-visual-acuity-color-vision-screening","provider":"Precision Vision","version":"1.0","type":"link"}