WordReference Random House Unabridged Dictionary of American English © 2026
vis′ual acu′ity, [Ophthalm.]
  1. Ophthalmologyacuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 ft. (6 m). Abbr.: V.
  • 1885–90

'visual acuity' also found in these entries (note: many are not synonyms or translations):
V, v - aptitude test - optometry - twenty-twenty

Forum discussions with the word(s) "visual acuity" in the title:


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