twenty-twenty vision

twenty-twenty vision
twenty-twenty vision or 20/20 vision [twen′tē twen′tē]
n.
normal acuity of vision, which is the ability to see clearly at twenty feet what the normal eye sees at that distance

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Universalium. 2010.

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  • twenty-twenty vision — UK US noun [uncountable] the ability to see normally without wearing glasses Thesaurus: ability to see and problems with seeinghyponym eye and parts of the eyemeronym * * * ˌtwenty ˌtwenty ˈvision [twenty twenty vision] …   Useful english dictionary

  • twenty-twenty vision — or 20/20 vision [twen′tē twen′tē] n. normal acuity of vision, which is the ability to see clearly at twenty feet what the normal eye sees at that distance …   English World dictionary

  • twenty-twenty vision — noun uncount the ability to see normally without wearing glasses …   Usage of the words and phrases in modern English

  • twenty-twenty vision — 20 vision the ability to see perfectly: To be a pilot you must have twenty twenty vision …   Longman dictionary of contemporary English

  • twenty-twenty vision — UK / US noun [uncountable] the ability to see normally without wearing glasses …   English dictionary

  • twenty-twenty — 20/20 n [U] [Date: 1800 1900; Origin: From normal sight being judged on the ability to read letters at a distance of 20 feet] 1.) twenty twenty vision the ability to see things normally, without needing glasses ▪ A pilot must have twenty twenty… …   Dictionary of contemporary English

  • has a twenty-twenty vision — has perfect vision …   English contemporary dictionary

  • vision — I (New American Roget s College Thesaurus) Sense of sight Nouns 1. vision, sight, optics, eyesight, seeing; view, look, espial, glance, ken; glimpse, glimmer, peep, coup d oeil; focus; gaze, stare, leer; perception, contemplation; regard, survey; …   English dictionary for students

  • twenty-twenty — or 20/20 adjective Etymology: from the testing of vision by reading letters at a distance of 20 feet Date: 1875 1. of the human eye meeting a standard of normal visual acuity < twenty twenty vision > 2. marked by facilely accurate discernment,… …   New Collegiate Dictionary

  • twenty-twenty — twen·ty twen·ty or 20/20 .twent ē twent ē adj having the normal visual acuity of the human eye that according to one common scale can distinguish at a distance of 20 feet characters one third inch in diameter <twenty twenty vision> …   Medical dictionary

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