optic vs eye

optic and eye both are nouns.

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

As nouns, optic and eye are synonyms defined as:

Other synonyms of optic include oculus.

optic (noun)	eye (noun)
the organ of sight	a small hole or loop (as in a needle)
	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

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

optic (verb)	eye (verb)
	look at