visual acuity

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.

Word History and Origins

Origin of visual acuity¹

First recorded in 1885–90

Example Sentences

In fact, human visual acuity is only about five to 10 times better than a jumping spider’s.

From Science News

In goalball, for instance, players are all required to wear eyeshades so athletes with different levels of visual acuity can play together while maintaining the same level of competitive advantage.

From Outside Online

Full visual acuity on both sides—in the first examination slight myopia - ·75 D. is specified, afterwards emmetropia.

From Project Gutenberg

Electronically-produced colors provided high visual acuity to a scene that depicted Cleveland in flames.

From Project Gutenberg

Nor did Hans possess anything like that high degree of visual acuity which had been attributed to him.

From Project Gutenberg