unusually sharp visual powers; keen ability to watch or observe.
2.
a person who has sharp vision or who maintains a keen watchfulness.
3.
alert watchfulness.
Origin
1595-1605
Examples from the web for eagle eye
It requires an eagle eye for detail, grace under pressure, and significant cojones to get the shot that tells the whole story.
But the gee-whiz cool factor only scratches the surface of why bot movements should be watched with an eagle eye.
Idioms and Phrases with eagle eye
eagle eye
Unusually keen sight; also, keen intellectual vision. For example, Antiques dealers have an eagle eye for valuable objects, or A good manager has an eagle eye for employee errors. [ Late 1500s ]