ophthalmic vs eye

ophthalmic is not a noun while eye is a noun.

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

ophthalmic (noun)	eye (noun)
	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

ophthalmic (adjective)	eye (adjective)
of or relating to ophthalmology
of or relating to or resembling the eye

ophthalmic (verb)	eye (verb)
	look at