sharp-sighted

sharp-sighted (http://definr.com/sharp-sighted)

     adj 1: having very keen vision; "quick-sighted as a cat" [syn: argus-eyed,
             hawk-eyed, keen-sighted, lynx-eyed, quick-sighted,
             sharp-eyed]
     2: keenly perceptive or alert; "quick-sighted into the faults
        of the time"- Leonard Bacon [syn: quick-sighted, sharp-eyed]