{"product_id":"tumbling-e-folding-distance-chart","title":"Tumbling \"E\" Folding Distance Chart","description":"\u003cp\u003eTwo smaller groups 7.5M to 1.5M for repetitive testing (20\/50, 6\/15 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eThe design of the Tumbling E is similar to that of grating stripes. This is helpful in the detection of Against the Rule Astigmatism. Also, the Tumbling E chart has proven to be nearly equal to the gold standard Landolt C chart when it comes to visual acuity thresholds. Tumbling E charts are useful for testing patients of multiple ages and languages.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921483391137,"sku":"2316","price":60.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/fd887856-acct_2316_rev2.jpg?v=1776157144","url":"https:\/\/precision-vision.com\/products\/tumbling-e-folding-distance-chart","provider":"Precision Vision","version":"1.0","type":"link"}