twenty-twenty (redirected from Names of numbers in English)

twen·ty-twen·ty or 20/20 (twnt-twnt, twnt-twnt)

adj.

Having normal visual acuity.

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[From a method of testing vision by reading charts at a distance of 20 feet.]

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twenty-twenty

adj

(Medicine) Med (of vision) being of normal acuity: usually written 20/20

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twenty-twenty or 20/20  (twnt-twnt)

Having normal visual acuity. A person with twenty-twenty vision can see type as small as one-third of an inch at a distance of twenty feet.

Thesaurus

Noun

1.

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