perspicacious vs clear-sighted

perspicacious and clear-sighted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
perspicacious	No	Yes	No	No
clear-sighted	No	Yes	No	No

As adjectives, perspicacious and clear-sighted are synonyms defined as:

perspicacious and clear-sighted: mentally acute or penetratingly discerning

Other synonyms of perspicacious include clear-eyed.

perspicacious (adjective)	clear-sighted (adjective)
mentally acute or penetratingly discerning	mentally acute or penetratingly discerning
acutely insightful and wise	having sharp clear vision