lynx-eyed

from WordNet (r) 3.0 (2006)

lynx-eyed
    adj 1: having very keen vision; "quick-sighted as a cat" [syn:
           {argus-eyed}, {hawk-eyed}, {keen-sighted}, {lynx-eyed},
           {quick-sighted}, {sharp-eyed}, {sharp-sighted}]

from The Collaborative International Dictionary of English v.0.48

Lynx-eyed \Lynx"-eyed`\, a.
   Having acute sight.
   [1913 Webster]