glaucoma

English Thesaurus

1. an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness) (noun.state)

hypernym	:	eye disease,
definition	:	any disease of the eye (noun.state)

hyponym	:	acute glaucoma, angle-closure glaucoma, closed-angle glaucoma,
definition	:	glaucoma in which the iris blocks the outflow of aqueous humor (noun.state)

hyponym	:	normal tension glaucoma,
definition	:	glaucoma that results from damage to the optic nerve although the intraocular pressure is normal (noun.state)

hyponym	:	chronic glaucoma, open-angle glaucoma,
definition	:	glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision (noun.state)