The Collaborative International Dictionary of English v.0.48:
Eagle-eyed \Ea"gle-eyed`\, a. Sharp-sighted as an eagle. "Inwardly eagle-eyed." --Howell. [1913 Webster]WordNet (r) 3.0 (2006):
eagle-eyed adj 1: capable of seeing to a great distance [syn: eagle-eyed, keen-sighted, farseeing, longsighted]