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ANSI Z80.21-2020

Brown iris during eye exam reflecting optotypes of Snellen chart designed to ANSI Z80.21-2020 to find her visual acuity.

ANSI Z80.21-2020: Clinical Visual Acuity Charts

June 8, 2020January 24, 2023Brad Kelechava

Cover your right eye. Read the letter on the first line. Cover your left eye. Read it again. Now line two, and so on. This […]

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