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Definitions of visual acuity
Definition that contains visual acuity
  • snellen chart display consisting of a printed card with letters and numbers in lines of decreasing size; used to test visual acuity
  • 20/20 normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
  • snellen test a test of visual acuity using a Snellen chart
  • hermann snellen Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)
  • twenty-twenty normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
  • snellen Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)
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