acute glaucoma vs closed-angle glaucoma

acute glaucoma and closed-angle glaucoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
acute glaucoma	Yes	No	No	No
closed-angle glaucoma	Yes	No	No	No

As nouns, acute glaucoma and closed-angle glaucoma are synonyms defined as:

acute glaucoma and closed-angle glaucoma: glaucoma in which the iris blocks the outflow of aqueous humor

Other synonyms of acute glaucoma include angle-closure glaucoma.

acute glaucoma (noun)	closed-angle glaucoma (noun)
glaucoma in which the iris blocks the outflow of aqueous humor	glaucoma in which the iris blocks the outflow of aqueous humor