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

Though some patients could make out patterns immediately, all patients' visual acuity improved over months of training.

Read more on Science Daily

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

Read more on Science Daily

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

Read more on 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.

Read more on Science Daily

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

Read more on Science Daily