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visual acuity

Definitions of visual acuity
  1. noun
    sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
    synonyms: acuity, sharp-sightedness
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    types:
    20/20, twenty-twenty
    normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
    oxyopia
    unusually acute vision
    type of:
    sight, vision, visual modality, visual sense
    the ability to see; the visual faculty
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