| 释义 |
visual acuity in American English the ability of the eye to discriminate detail, usually tested by comparison with the power of the normal eye to distinguish certain letters on a standard chart at a given distance, generally 20 feet visual acuity in American EnglishnounOphthalmology acuteness 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) Abbreviation: V Word origin [1885–90 ]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: booster, reactor, sensitization, twofer, zoomExamples of 'visual acuity' in a sentencevisual acuity |