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Eyesight vs Opsiometer - What's the difference?

eyesight | opsiometer |

As nouns the difference between eyesight and opsiometer

is that eyesight is vision or the faculty of sight while opsiometer is an old instrument for measuring vision and determining the focal length of a lens that can correct an individual's imperfect eyesight.

eyesight

English

Noun

(-)
  • Vision or the faculty of sight
  • View or the range of vision

    • opsiometer

    English

    Noun

    (en noun)
  • An old instrument for measuring vision and determining the focal length of a lens that can correct an individual's imperfect eyesight.
    • (Webster 1913)