Definition of Visual acuity

1. Noun. Sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart).

Exact synonyms: Acuity, Sharp-sightedness
Generic synonyms: Sight, Vision, Visual Modality, Visual Sense
Specialized synonyms: 20/20, Twenty-twenty, Oxyopia
Derivative terms: Sharp-sighted



Medical Definition of Visual acuity

1. The ability to detect fine details or small distances with the eye. Visual acuity can vary substantially depending on the definition used and method of measurement chosen. Under favourable conditions, the resolution of the human eye or ability to distinguish the twoness of adjoining lines, is about I minute of arc while the threshold delectability, or the detection of misaligned steps in a line (which is also a form of visual acuity), can be as low as a fraction of a second of arc. (05 Aug 1998)

Lexicographical Neighbors of Visual Acuity

visored
visoring
visorless
visors
vista
vistaed
vistaing
vistal
vistaless
vistas
vistepite
visto
vistos
visual
visual-spatial agnosia
visual acuity (current term)
visual agnosia
visual angle
visual aphasia
visual area
visual art
visual artist
visual arts
visual aspect
visual axis
visual binaries
visual binary
visual blackout
visual call sign
visual call signs

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