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 normally sighted newborns, retinal cone cells are not well-developed at birth, resulting in babies having poor visual acuity and poor color vision.

From Science Daily

Volunteers using the lenses also reported noticeable improvements in visual acuity at a variety of distances and lighting conditions.

From Science Daily

They formed a dataset from 34 variables that are commonly collected during ophthalmic examinations, such as age, current visual acuity, and the diameter of the cornea.

From Science Daily

Sighted participants recruited for the study were asked to test and verify the phosphene maps based on visual acuity and object recognition.

From Science Daily

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