ETDRS Chart LEA Symbols, 3m/10ft
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LEA SYMBOLS® distance visual acuity test for the large ETDRS Illuminator Cabinet (#93080). 10 feet/3 meters testing distance.
Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes response key and instructions. Chart measures 24.5" x 25.5" (62 cm x 65 cm).
SKU: 93110