Definition of acuity
Nouns
sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
- Synonyms:
- sharp-sightedness, visual acuity
- Types:
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20/20, twenty-twenty
normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
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oxyopia
unusually acute vision
- Type of:
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sight, vision, visual modality, visual sense
the ability to see; the visual faculty
a quick and penetrating intelligence
- Types:
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steel trap
an acute intelligence (an analogy based on the well-known sharpness of steel traps)
- Type of:
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intelligence
the ability to comprehend; to understand and profit from experience

