EXAMPLES | WORD ORIGIN noun . Ophthalmology abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or by pressure of the iris against the lens, which traps the aqueous humor or chronic glaucoma) (angle-closure glaucoma. or acute glaucoma) Origin of glaucoma
First recorded in
is from the
opacity of the eye lens. See
-oma Related forms glau·co·ma·tous , [glaw- koh-m uh-t uh s, - kom- uh-, glou-] /glɔˈkoʊ mə təs, -ˈkɒm ə-, glaʊ-/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for glaucoma Contemporary Examples of glaucoma Historical Examples of glaucoma
Schnabel considered all
glaucoma cups to be formed in this way, independent of tension.
Axenfeld cites the fact that the
glaucoma cup may disappear after operation.
The third group are cases associated with
glaucoma only as causes.
An iridectomy is usually performed as for
glaucoma; this may be omitted.
These symptoms have been pronounced to resemble those of
glaucoma. British Dictionary definitions for glaucoma noun a disease of the eye in which pressure within the eyeball damages the optic disc, impairing vision, sometimes progressing to blindness Derived Forms glaucomatous, adjective Word Origin for glaucoma
C17: from Latin, from Greek
glaukōma, from glaukos; see glaucous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for glaucoma n.
1640s, from Greek
glaukoma "cataract, opacity of the lens" (cataracts and glaucoma not distinguished until c.1705), from -oma + glaukos, an adjective of uncertain origin (see glaucous).
Online Etymology Dictionary, © 2010 Douglas Harper
glaucoma [glou-kō ′mə, glô-] n. Any of a group of eye diseases characterized by abnormally high intraocular fluid pressure, damaged optic disk, hardening of the eyeball, and partial to complete loss of vision. Related forms glau•co ( ′ma•tous -kō) ′mə-təs adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
A disease of the eye in which the pressure of fluid inside the eyeball is abnormally high, caused by obstructed outflow of the fluid. The increased pressure can damage the optic nerve and lead to partial or complete loss of vision.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
glaucoma [(glow- koh-muh, glaw- koh-muh)]
A disease of the
eye marked by increased fluid pressure in the eyeball. Glaucoma can damage the optic nerve and may result in blindness if not treated. Surgery may be required for severe cases.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.