Search Result for "20/20":
Wordnet 3.0

NOUN (1)

1. normal visual acuity, as measured by the ability to read charts at a distance of 20 feet;
[syn: twenty-twenty, 20/20]



WordNet (r) 3.0 (2006):

20/20
    n 1: normal visual acuity, as measured by the ability to read
         charts at a distance of 20 feet [syn: twenty-twenty,
         20/20]