LEA NUMBERS® ETDRS, Translucent Chart271400
Adult LEA NUMBERS® chart for ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets, including both the ESV3000 and ESC2000.
The LEA NUMBERS® ETDRS chart contains optotypes in proportionally spaced (logMAR) lines; lines range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50.
Test distance: 10 feet/3 meters