Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® (10ft/3m)

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An adult LEA NUMBERS® ETDRS chart for the ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets, including both the ESV3000™ and ESC2000™. This chart features optotypes i n proportionally spaced (logMAR) lines; lines range from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents included are letter size, 20 foot, 6 meter, decimal, and LogMAR. Test distance: 10 feet/3 meters. LEA SYMBOLS®: The Gold Standard Show more