| 单词 | visual acuity |
| 释义 | visual acuitySEE SYNONYMS FOR visual acuity ON THESAURUS.COM noun Ophthalmology.acuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 feet (6 meters). Abbreviation: V. Origin of visual acuityFirst recorded in 1885–90 Words nearby visual acuityvistadome, vistaed, Vistaril, Vistula, visual, visual acuity, visual aid, visual aids, visual album, visual allesthesia, visual angle Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for visual acuityvisual acuity n.Sharpness of vision, especially as tested with a Snellen chart. Normal visual acuity based on the Snellen chart is 20/20. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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