Vintage Snellen chart used for eye testing.

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Size: 3441px × 5000px
Photo credit: © david soulsby / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acuity, alphabet, chart, eye, eyesight, letter, letters, ophthalmologist, opthalmology, optician, opticians, sight, snellen, test, testing, vintage, visual