{"product_id":"tumbling-e-near-point-vision-chart-single-sided","title":"Tumbling \"E\" Near Point Vision Chart Single Sided","description":"\u003cp\u003ePractical for testing multiple languages.\u003c\/p\u003e\n\u003cp\u003eFeatures Logarithmic Notations.\u003c\/p\u003e\n\u003cp\u003eTumbling E charts, also known as Illiterate E charts, feature the use of only one optotype. This makes testing illiterate and mute patients easier. The patient only has to gesture the direction they see the E facing. Also the design of the E has similar features to that of grating stripes. Although the Landolt C chart is considered the gold standard of alternative vision testing, many studies have shown that the Tumbling E chart is nearly equal to it and is also great for the detection of Astigmatism.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921484439713,"sku":"2306","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/21b9ad30781a3312d12f4eb3aa07aa4c_XL.jpg?v=1776157156","url":"https:\/\/precision-vision.com\/products\/tumbling-e-near-point-vision-chart-single-sided","provider":"Precision Vision","version":"1.0","type":"link"}