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Adult LEA NUMBERS® chart for ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets including product #93080.
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. Fits in ESV3000 ETDRS illuminated cabinet.
10 feet/3 meter testing distance.