AcuityWordNet Explorer

a quick and penetrating intelligence

the ability to comprehend; to understand and profit from experience

an acute intelligence (an analogy based on the well-known sharpness of steel traps)

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

the ability to see; the visual faculty

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

unusually acute vision