Adapted from the National Eye Institute, U.S. National Institutes
of Health. Available online: http://www.nei.nih.gov
Snellen chart is used to test far vision. It has several rows of letters. The
letters on the top line are the largest; those on the bottom line are the
smallest. You stand 20 ft (6 m)
from the chart, cover one eye, and read the smallest row of letters you can see
on the chart.
ByHealthwise Staff Primary Medical ReviewerKathleen Romito, MD - Family Medicine Specialist Medical ReviewerChristopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
Current as ofSeptember 9, 2014
WebMD Medical Reference from Healthwise
September 09, 2014
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