Snellen Eye Chart
Sturdy and Portable - The eye chart is printed on a stiff, heavy, high-quality plastic card, so it could even be carried about in a pocket without getting mangled. The card size is 6.5 x 3.5 inches, it fits for physician's pocket well
There are 2 rulers on the Rosenbaum pocket eye chart. The ruler on the left side is measured in inches, the ruler on the right side is measured in centimeters. It has a pupil-size guide on the bottom. That is helpful to someone not accustomed to assessing pupil size
Multiple Applications - The red and green color bars on the Snellen chart are perfect for an easy and helpful color vision test. Perfect for optometrists, eye doctors, med students, offices, schools, and daily family members' vision tests
The 22" x 11" inch standard vision chart requires a distance of 20 feet from the observer for visioning testing. Perfect for optometrists, children, students, homes, offices, and schools.
Made of PVC eco-friendly waterproof material with a matte finish avoiding reflection and glare effects. The colored lines printed on the eye chart test for blue, red and green color blindness.