Notations for vision testing at 10 feet
Visual acuity range 10/80 to 10/8 (20160 to 20/16 equiv.)
Two smaller groups 10/20 to 10/8 for repetitive eyesight testing (20/40 to 20/16 equiv.)
Eye chart measures 23 X 35.5 cm (9 X 14 in.)
Fits small Illuminator Cabinet CAT. NO. 914
Can be wall-mounted
This translucent eye chart uses Sloan optotypes for accurate testing. Each optotype has been calibrated for size, difficulty, threshold blur, and dimension. Each line is arranged equally. This eye test also includes two smaller groups for repetitive testing without memorization.
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