PECULA Snellen Eye Chart, Wall Chart, 22 in x 11 in, Red & Green Color Vision Test, Plastic, Washable, Perfect for Optometrists, Students, Offices & Schools

Snellen wall eye chart is the familiar chart with the big letter or symbol at the top and progressively smaller letters at the bottom of the chart down to 20/20 or better. Snellen Wall Chart 22 in x 11 in. And the top center hole, easy to hang on the wall. The eye chart assists in measuring visual acuity at a distance of 20 feet away from viewer. Snellen chart includes Red and Green color bars for an easy and helpful color vision test. Made of Plastic and washable. Perfect for optometrists, students, offices, and schools. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.