visual acuity

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visual acuity

Sharpness of vision, especially as tested with a Snellen chart. Normal visual acuity based on the Snellen chart is 20/20.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

vis′ual acu′ity

n..

acuteness of the vision as determined by a comparison with the normal ability to identify certain letters at a given distance, usu. 20 ft. (6 m).

[1885–90]

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Noun

visual acuity - sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

acuity, sharp-sightedness

visual modality, visual sense, vision, sight - the ability to see; the visual faculty

20/20, twenty-twenty - normal visual acuity, as measured by the ability to read charts at a distance of 20 feet

oxyopia - unusually acute vision

Translations

acuita visiva

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References in periodicals archive ?

Meta-analysis of dietary essential fatty acids and long chain polyunsaturated fatty acids as they relate to visual resolution acuity in healthy preterm infants.

Dietary essential fatty acids, long-chain polyunsaturated fatty acids, and visual resolution acuity in healthy fullterm infants: a systematic review.