Acuity

[ə'kjuːɪtɪ] or [ə'kjuəti]

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

Typed by Ann--From WordNet

(n.) Sharpness or acuteness, as of a needle, wit, etc.

Checker: Witt

SYN:Pointedness, acylation, acumination

ANT:Bluntness, hebetude, obtuseness

Edited by Jessica