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LEA SYMBOLS® ETDRS TRANSLUCENT DISTANCE CHARTS (13 FEET/4 METERS)
An ETDRS chart with LEA SYMBOLS® and proportionally spaced (logMAR) lines; line sizes range from 20/160 to 20/8 (6/48 to 6/2.4) equivalent, 0.90 to 2.50. Includes response key and instructions. Screen printed on styrene plastic for long-lasting durability.
Dimensions: 24.5" x 25.5" (62cm x 65cm).
Testing distance: 13 feet/4 meters.
253333
GOOD-LITE
chart
16 In Stock
An ETDRS chart with LEA SYMBOLS® and proportionally spaced (logMAR) lines; line sizes range from 20/160 to 20/8 (6/48 to 6/2.4) equivalent, 0.90 to 2.50. Includes response key and instructions. Screen printed on styrene plastic for long-lasting durability.
Dimensions: 24.5" x 25.5" (62cm x 65cm).
Testing distance: 13 feet/4 meters.