Premium Snellen Eye Chart: Professionally printed on archival matte canvas, non-reflective and no glaring effect, ideal eye chart for kids eye exams and gifts.
Ready to Hang: The eye chart comes with a wooden frame, so it's very easy to hang on the wall. Also a good wall decor. You can do a quick eye check conveniently
Widely Used: 22*11 inches eye chart requires 20 feet away from the viewer for vision testing. Perfect for optometrists, kids, students, home, offices, and schools
Non-reflective eye chart Perfect for students, optometrists, offices, and schools.
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The Snellen eye chart was originally introduced in 1862 by Herman Snellen. The Snellen eye test uses the idea of a subtended 5 minutes of arc with a 20 foot distance. Non-reflecting, matte finish.