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Do not base your order on the picture presented.
ETDRS low contrast LEA Numbers vision chart with proportionally spaced (geometric progression) lines translucent low contrast letter chart with line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Available in 2 contrast levels: 2.5% and 10%. Chart size is 24.5" x 25.5" (62 cm x 65 cm).
13 feet, 4 meters testing distance.
Note: This chart can only be used with our ESV3000 or ESC2000 illuminated ETDRS cabinet
Medex SKU: GL-274300