LEA NUMBERS® ETDRS Translucent Chart271400
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 in 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.