visual acuity

American  

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). V.

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Etymology

Origin of visual acuity

First recorded in 1885–90

Example Sentences

See Examples For:

visual acuity

FDA documents describe it as a prescription device intended to improve visual acuity in patients with certain forms of dry AMD and without center involving geographic atrophy or neovascular maculopathy.

From Science Daily ● May 27, 2026

"Through the recovery of Leonardo's DNA, we hope to understand the biological roots of his extraordinary visual acuity, creativity, and possibly even aspects of his health and causes of death."

From Science Daily ● May 4, 2026

Like the hugely successful early 20th century L.A. landscape painter Granville Redmond, who was also deaf, Castle is sometimes claimed to have compensated for his hearing loss through an increased power in visual acuity.

From Los Angeles Times ● Aug. 23, 2023

His left eye had post-traumatic cataract complications and has 60% visual acuity.

From BBC ● Jul. 21, 2022

Even if they’re looking at the road, he’d found, their visual acuity was impaired by the cognitive demand of the phone.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel