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

"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

Each variable is assigned a line with a length that indicates how important it is for predicting visual acuity.

From Science Daily • Dec. 13, 2023

Each team’s four field players must be visually impaired, meaning they are completely blind or have very low visual acuity or no light perception.

From Los Angeles Times • Jul. 9, 2023

Although his right eye was saved it was very badly damaged and it currently has only 10% 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