Source : Webster's Revised Unabridged Dictionary (1913)

Eagle-eyed \Ea"gle-eyed`\, a.
   Sharp-sighted as an eagle. ``Inwardly eagle-eyed.'' --Howell.

Source : WordNet®

eagle-eyed
     adj : capable of seeing to a great distance [syn: {keen-sighted},
           {farseeing}, {longsighted}]