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 That’s a function of the visual acuity of an ordinary eye with 20-20 vision, Bathiche said, at some arbitrary distance—in this case, at about a foot from the display. Mark Hachman, PCWorld, "Why you may never see a 4K Microsoft Surface display," 15 May 2020 Their visual acuity remained below normal, even after months of training. Quanta Magazine, "The Brain Reshapes Our Malleable Senses to Fit the World," 24 Mar. 2020 An additional wrinkle here is that Oakley's Prizm visor, which is designed to increase a player's visual acuity and features a light lavender tint, will now be permitted on the field. Paul Lukas, SI.com, "Uni Watch: NFL Uniform Preview 2019," 3 Sep. 2019 Pumpkin is packed with beta-carotene, the precursor to vitamin A — an important antioxidant for visual acuity and skin integrity — as well as vitamins C and E, also important antioxidants for repairing your body’s cells from damage. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "The Best Pumpkin Health Benefits Every Fall Lover Needs to Know About," 14 June 2019 Leonardo’s visual acuity was driven by his abiding faith in nature’s design, whether a tree root or a hippopotamus. Claudia Kalb, National Geographic, "Why Leonardo da Vinci’s brilliance endures, 500 years after his death," 12 June 2019 In studies, more than 90 percent of participants reported that their visual acuity was maintained or improved a year later. Caren Chesler, Popular Mechanics, "A Vision Quest," 6 Mar. 2019 As in automated warehouses the world over, humans do only the jobs that machines can’t—either knowledge work like managing the overall system or physical tasks that require a combination of delicacy, speed and visual acuity. Christopher Mims, WSJ, "This Thriving City—and Many Others—Could Soon Be Disrupted by Robots," 9 Feb. 2019 Scientists quantify visual acuity in cycles per degree, or the number of black-and-white parallel lines an animal can identify in one degree of their field of vision. Meilan Solly, Smithsonian, "How Does Your Vision Compare to Other Critters in the Animal Kingdom?," 7 June 2018

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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Statistics for visual acuity

Cite this Entry

“Visual acuity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/visual%20acuity. Accessed 30 Oct. 2020.

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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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