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Visual acuity

noun

Definitions

Noun
  1. 1
    The sharpness of vision or sight. countable, uncountable

    "The Italian railroads require of their employes both eyes normal in regard to visual acuity, ocular refraction, perception of red and green, and visual field."

  2. 2
    sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart) wordnet
  3. 3
    Strength of vision expressed on some definite scale. countable, uncountable

    "Myopia exceeding 6 D., provided the visual acuity exceed 1/4 for one of the eyes and 1/16 for the other, and there be no extended choroidal lesions."

Etymology

Compound of visual + acuity.

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