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ETDRS LOW CONTRAST LEA NUMBERS® CLINICAL TRIAL CHARTS
ETDRS low contrast LEA NUMBERS® vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 20/200 to 20/10 (6/60 to 6/3) equivalent. Available in 2 Contrast levels: 2.5% and 10%.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Test distance: 13 feet/4 meters.
274200
GOOD - LITE
15 In Stock
ETDRS low contrast LEA NUMBERS® vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 20/200 to 20/10 (6/60 to 6/3) equivalent. Available in 2 Contrast levels: 2.5% and 10%.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Test distance: 13 feet/4 meters.