{"product_id":"lighthouse-etdrs-chart-r-lh-9142-2110","title":"Lighthouse ETDRS® Chart R LH 9142","description":"\u003cp\u003eLighthouse ETDRS® Chart R LH 9142 (2110)\u003c\/p\u003e\n\u003cp\u003eDeveloped by New York Lighthouse International. Constructed with the same precision, accuracy, and methodology as traditional ETDRS® charts.\u003c\/p\u003e\n\u003cp\u003eLines are of equal difficulty. Geometric progression in letter size from line to line. Letter size is only variable. Can be wall-mounted.\u003c\/p\u003e\n\u003cp\u003eETDRS® charts use a series of three charts with different permutations of optotypes.  The use of three ETDRS® eye charts (Chart 1, 2 \u0026amp; R) to test the visual acuity of one patient prevents memorization and helps increase accuracy and consistency in results.\u003c\/p\u003e\n\u003cp\u003eLicensed by Vispero and exclusively manufactured by Precision Vision, Inc.\u003c\/p\u003e","brand":"ETDRS®, Lighthouse","offers":[{"title":"Default Title","offer_id":45921495613601,"sku":"C105","price":69.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/C105.jpg?v=1776157176","url":"https:\/\/precision-vision.com\/products\/lighthouse-etdrs-chart-r-lh-9142-2110","provider":"Precision Vision","version":"1.0","type":"link"}