sharp-sightedness

Definitions of sharp-sightedness

1. noun

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

   types:

   20/20, twenty-twenty

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

   oxyopia

   unusually acute vision

   type of:

   sight, vision, visual modality, visual sense

   the ability to see; the visual faculty
2. noun

   lively attentiveness
   synonyms: alertness, on the qui vive

   type of:

   attentiveness

   the trait of being observant and paying attention