visual acuity

visual acuity

n.

Sharpness of vision, especially as tested with a Snellen chart. Normal visual acuity based on the Snellen chart is 20/20.

Thesaurus

Noun

1.

visual acuity - sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart) acuity, sharp-sightedness visual modality, visual sense, vision, sight - the ability to see; the visual faculty 20/20, twenty-twenty - normal visual acuity, as measured by the ability to read charts at a distance of 20 feet oxyopia - unusually acute vision