Snellen chart
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Snel·len chart (sn

A chart for testing visual acuity, usually consisting of letters, numbers, or pictures printed in lines of decreasing size which a patient is asked to read or identify at a fixed distance.

Snellen chart

Etymology: Hermann Snellen, Dutch ophthalmologist, 1834-1908

one of several charts used in testing visual acuity. Letters, numbers, or symbols are arranged on the chart in decreasing size from top to bottom.

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Snellen chart (redirected from Vision test)

Snellen chart
(redirected from Vision test)