{"product_id":"tumbling-e-visual-acuity-chart-3-meters","title":"Tumbling \"E\" Visual acuity Chart 3 meters","description":"\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eUseful for preliterate or illiterate patients.\u003c\/p\u003e\n\u003cp\u003eIncludes two smaller sections for repetitive eyesight testing.\u003c\/p\u003e\n\u003cp\u003eTumbling E optotypes were developed in 1976 by Taylor. The Tumbling or Illiterate E optotypes are the closest optotypes to gratings. Also, Tumbling E tests have the best acuity thresholds and are one of the most reliable of the alternative visual acuity charts.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921482670241,"sku":"2304US","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/23f6a067599ae98276b159b7685c0abf_XL-scaled-1.jpg?v=1776157139","url":"https:\/\/precision-vision.com\/products\/tumbling-e-visual-acuity-chart-3-meters","provider":"Precision Vision","version":"1.0","type":"link"}