- 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 chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma).
Origin of glaucoma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for glaucoma
Bijani was born with retinopathy and glaucoma, and his sight gradually disappeared during his first four years.Videogames for the Blind?
December 16, 2012
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.Life of John Milton
- a disease of the eye in which pressure within the eyeball damages the optic disc, impairing vision, sometimes progressing to blindness
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
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- 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.
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