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Do not base your order on the picture presented.
Adult Sloan Letter distance eye chart with linear-spaced lines; line sizes range from 20/100 to 20/16 (6/30 to 6/4.8).
This assessment can be used in Good-Lite's illuminated ESV1018 or hung on the wall.
Chart size is 10"x18" (25.4 cm x 45.7 cm).
20 feet, 6 meters testing distance.
Medex SKU: GL-800733