eagle-eyed vs keen-sighted

eagle-eyed and keen-sighted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
eagle-eyed	No	Yes	No	No
keen-sighted	No	Yes	No	No

As adjectives, eagle-eyed and keen-sighted are synonyms defined as:

Other synonyms of eagle-eyed include farseeing, longsighted.

eagle-eyed (adjective)	keen-sighted (adjective)
capable of seeing to a great distance	capable of seeing to a great distance
	having very keen vision