ocular vs eye

ocular and eye both are nouns.

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

ocular (noun)	eye (noun)
combination of lenses at the viewing end of optical instruments	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

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

ocular (verb)	eye (verb)
	look at