anopia vs cecity

anopia and cecity both are nouns.

Word	Noun	Adjective	Verb	Adverb
anopia	Yes	No	No	No
cecity	Yes	No	No	No

As nouns, cecity is a hypernym of anopia; that is, cecity is a word with a broader meaning than anopia:

anopia: sightlessness (especially because of a structural defect in or the absence of an eye)
cecity: the state of being blind or lacking sight

Other hypernyms of anopia include blindness, sightlessness.

anopia (noun)	cecity (noun)
sightlessness (especially because of a structural defect in or the absence of an eye)	the state of being blind or lacking sight