{"product_id":"logarithmic-landolt-c-eye-chart","title":"Logarithmic Landolt \"C\" Eye Chart","description":"\u003cp\u003eTwo smaller groups 5M to 2M for repetitive testing (20\/25, 6\/7.5 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eCan be wall-mounted.\u003c\/p\u003e\n\u003cp\u003ePractical for testing illiterate patients or testing in multiple languages.\u003c\/p\u003e\n\u003cp\u003eThe Broken Ring or Landolt C test uses a single optotype placed in different positions; up, down, left, right, and 45 degree positions in between. Because there is only one optotype, patients simply have to gesture which position they see the optotype facing. Landolt C is helpful for testing illiterate patients that are not familiar with the Roman alphabet. Landolt C vision test are considered one of the best among alternative visual acuity tests.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921480999073,"sku":"2207","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/05a977f75c8bd421cf67e35678973f79_XL-scaled-1.jpg?v=1776157138","url":"https:\/\/precision-vision.com\/products\/logarithmic-landolt-c-eye-chart","provider":"Precision Vision","version":"1.0","type":"link"}