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The patient covers one eye and reads the row’s letters (in the white area) aloud, starting at the top. The visual acuity in that eye is indicated by the smallest row that can be read precisely. The rows are numbered by the left vertical black strip; the right black strip defines the point width that can be read at 20 inches.
Hang this 20x 26 (51x 66 cm) Snellen eye chart in medical offices or use it in the home office of ophthalmologists as nostalgic decoration. Optometrists and other eye care professionals routinely use variations of the Snellen chart to measure visual acuity. Buy this famous medical poster specializing in optometry for doctors ‘ offices.
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