Definition of twenty-twenty in English:


Syllabification: twen·ty-twen·ty
Pronunciation: /ˌtwen(t)ēˈtwen(t)ē/
(also 20/20)


Denoting vision of normal sharpness.
More example sentences
  • ‘I took you to the optometrist and she said that you had perfect twenty-twenty vision… I don't understand machines these days… ‘she mumbled to herself and walked back out.’
  • They slowly faded into the lenses, leaving only crystalline images, better than twenty-twenty vision.
  • For example we could make sure they had something as simple as twenty-twenty vision, or something as complicated as great strength.


the Snellen fraction for normal visual acuity (see Snellen test).

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