oculus vs eye

oculus and eye both are nouns.

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

As nouns, oculus and eye are synonyms defined as:

Other synonyms of oculus include optic.

oculus (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

oculus (verb)	eye (verb)
	look at