follow Dictionary.com

Why is the ninth month called September?

visual acuity

noun, Ophthalmology
1.
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
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for visual acuity
  • There is evidence that anthocyanins also have anti-inflammatory activity, promote visual acuity, and hinder obesity and diabetes.
  • Humans' sense of hearing and smell are greatly atrophied in favor of visual acuity.
  • In addition to their excellent visual acuity, turkeys also have awesome peripheral vision.
  • After all, it can be made and appreciated without much knowledge of art history or much visual acuity.
  • There may also be abnormal pupil responses, decreased visual acuity, and other changes.
  • visual acuity drops from the age of thirty, and drivers grow sensitive to glare, it reports.
  • visual acuity is the finest spatial detail which may be perceived.
visual acuity in Medicine

visual 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.
Cite This Source

Word of the Day

Difficulty index for visual acuity

Few English speakers likely know this word

Word Value for visual

9
12
Scrabble Words With Friends

Quotes with visual acuity