twenty-twenty

/ˌˈtwɛnti ˌtwɛnti/

Definitions of twenty-twenty

1. noun

   normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
   synonyms: 20/20

   type of:

   acuity, sharp-sightedness, visual acuity

   sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)