visual acuity

noun

Definition of visual acuity

: the relative ability of the visual organ to resolve detail that is usually expressed as the reciprocal of the minimum angular separation in minutes of two lines just resolvable as separate and that forms in the average human eye an angle of one minute

Examples of visual acuity in a Sentence

Recent Examples on the Web But what’s most striking about Hall’s direction is her visual acuity, her gift for composing images that are gorgeous, disorienting and strangely intuitive. Los Angeles Times, 26 Oct. 2021 While usually mild, if left untreated, ocular rosacea can lead to abrasions of the cornea and potentially even a decrease in visual acuity in more serious cases, though this is rare, Baldwin said. Washington Post, 7 Sep. 2021 Over the following weeks, her visual acuity was measured at 20/150, then 20/100, 20/80 and finally 20/50. New York Times, 11 Aug. 2021 That’s the kind of visual acuity that has always made Shyamalan a far better filmmaker than his reputation suggests. David Sims, The Atlantic, 22 July 2021 When conducting aerial refueling, visual acuity is crucial to safety and success. Loren Thompson, Forbes, 4 June 2021 Four were found to have eye pain, sensitivity to light, loss of visual acuity and uveitis up to 10 weeks after infection. Seema Yasmin, Scientific American, 29 Feb. 2016 Four weeks later, the animals’ visual acuity had declined by about 25%, as measured by a vision test in which mice move their heads to track the movement of vertical bars displayed on computer monitors. Kelly Servick, Science | AAAS, 2 Dec. 2020 The same thing was true for the loss of visual acuity that comes with age, confirmed by comparing mice at three months of age to those roughly a year old. John Timmer, Ars Technica, 6 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'visual acuity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of visual acuity

1889, in the meaning defined above

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Time Traveler for visual acuity

Time Traveler

The first known use of visual acuity was in 1889

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Dictionary Entries Near visual acuity

visual

visual acuity

visual aid

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Statistics for visual acuity

Last Updated

4 Nov 2021

Cite this Entry

“Visual acuity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/visual%20acuity. Accessed 2 Dec. 2021.

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More Definitions for visual acuity

visual acuity

noun

Medical Definition of visual acuity

: the relative ability of the visual organ to resolve detail that is usually expressed as the reciprocal of the minimum angular separation in minutes of two lines just resolvable as separate and that forms in the average human eye an angle of one minute — compare minimum separable, minimum visible

More from Merriam-Webster on visual acuity

Britannica.com: Encyclopedia article about visual acuity

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