Snellen Eye Chart
an eye chart for determining visual acuity.
When taking the test, an individual covers one eye while standing six meters or twenty feet away and speaks the letters in each row, starting from the top. The visual acuity of that particular eye is indicated by the smallest row that may be read with accuracy.
an eye chart for determining visual acuity.
When taking the test, an individual covers one eye while standing six meters or twenty feet away and speaks the letters in each row, starting from the top. The visual acuity of that particular eye is indicated by the smallest row that may be read with accuracy.
an eye chart for determining visual acuity.
When taking the test, an individual covers one eye while standing six meters or twenty feet away and speaks the letters in each row, starting from the top. The visual acuity of that particular eye is indicated by the smallest row that may be read with accuracy.
