Notations for vision testing at 10 ft.
Visual acuity range 10/80 to 10/8 (20/160 to 20/16 equiv.)
Eye chart measures 23 X 35.5 cm (9 X 14 in.)
Fits small Illuminator Cabinet CAT. NO. 914
Can be wall-mounted
Proportional Spacing
Tumbling "E" chart is useful for illiterate adults, preliterate children, and vision testing in multiple languages. The Tumbling "E" chart is one of the best, most accurate alternative optotype acuity charts for detecting early signs of astigmatism. Testing with the Tumbling "E" eye test is easier, since the patient only has sign which of the four directions they believe the "E" is directed.
IS
