eye vs optic

eye and optic both are nouns.

Word	Noun	Adjective	Verb	Adverb
eye	Yes	No	Yes	No
optic	Yes	Yes	No	No

As nouns, eye and optic are synonyms defined as:

Other synonyms of eye include oculus.

eye (noun)	optic (noun)
a small hole or loop (as in a needle)	the organ of sight
the organ of sight
good discernment (either visually or as if visually)
attention to what is seen
an area that is approximately central within some larger region

eye (adjective)	optic (adjective)
	of or relating to or resembling the eye
	relating to or using sight

eye (verb)	optic (verb)
look at