| twen·ty-twen·ty or 20/20 (twěn'tē-twěn'tē, twŭn'tē-twŭn'tē) adj. Having normal visual acuity. [From a method of testing vision by reading charts at a distance of 20 feet.] |
twenty-twenty or 20/20  (twěn'tē-twěn'tē) Pronunciation Key
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. |