{"version":"1.0","type":"link","title":"Eye chart - Newikis","description":"An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/9/9f/Snellen_chart.svg/1280px-Snellen_chart.svg.png","thumbnail_width":1280,"thumbnail_height":1595}