We found 3 definitions of acuities from 2 different sources.
NounPlural: acuities |
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acuity - sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart) | ||
visual acuity, sharp-sightedness | ||
visual modality, visual sense, vision, sight the perceptual experience of seeing; "the runners emerged from the trees into his clear vision"; "he had a visual sensation of intense light" | ||
20/20, twenty-twenty normal visual acuity, as measured by the ability to read charts at a distance of 20 feet | ||
acuity - a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind" | ||
acuteness, sharpness, keenness | ||
intelligence the operation of gathering information about an enemy |