hawk-eyed vs lynx-eyed

hawk-eyed and lynx-eyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hawk-eyed	No	Yes	No	No
lynx-eyed	No	Yes	No	No

As adjectives, hawk-eyed and lynx-eyed are synonyms defined as:

Other synonyms of hawk-eyed include argus-eyed, keen-sighted, quick-sighted, sharp-eyed, sharp-sighted.

hawk-eyed (adjective)	lynx-eyed (adjective)
having very keen vision	having very keen vision