Snellen Chart with Red Green Lines 20 Ft
The Snellen chart with red and green lines is a well-known chart. It contains big and small letters which start with a big single letter on the top row. As we move downward, letters increase in each row. More letters can fit on each additional line as the letter sizes gradually get smaller. Visual Acuity test at 20 feet distance.
Features
• Snellen eye chart for vision testing at a distance of 20 feet Range of visual acuity: 20/100 to 20/16.
• Red and green bars are included for a colour vision test.
• The size of the eye chart is 23 x 35.5 cm (9 x 14 in.).
• True Snellen optotypes are used in the chart’s acuity vision testing. optotypes C, D, E, F, L, O, P, and T.
