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Features HOTV optotypes with 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect.
Optotype line sizes range from 20/100 to 20/16 (6/30 to 6/4.8) equivalent, 0.20 to 1.25. 13 feet/4 meters testing distance.
Medex SKU: GL-500035