EMI Snellen Wall Plastic Eye Chart 22in. X 11in.
- 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 the viewer..
- The Snellen chart includes Red and Green color bars for an easy and helpful color vision test. Perfect for optometrists, students, offices, and 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..