Eye Chart, Snellen Eye Chart Wall Chart, with Hand Pointer and Eye Occluder for Eye Medical Exams (3 Piece Set)

Description

A Snellen chart is an eye chart that can be used to measure and estimate visual acuity.
Snellen Eye Chart size is 22 inches x 11 inches. and the top center hole is easy to hang on the wall. or Tape or tack to hang the test chart on the wall.
Visual acuity is tested with a Snellen’s chart at a distance of 20 Feet. A well-lighted room is at least 10 feet long and make sure the test chart is level with the eyes of the person.
Eye exam chart this line, designated 6/6 (or 20/20), is the smallest line that a person with normal acuity can read at a distance of 6 meters.
The eye chart for eye exams 20 feet is premium PVC material, extra thick and tear-resistant, clear print and non-reflective, washable, and easy to clean.
The eye test chart includes Red and Green color bars for an easy and helpful color vision test.