Definitions
from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An eye disease or disorder that is defined as a characteristic optic neuropathy, or disease of the optic nerve, possibly, if untreated, leading to damage of the optic disc of the eye and resultant visual field loss due to lack of communication between the retina and the brain, which can lead to blindness.
from the GNU version of the Collaborative International Dictionary of English
- n. Dimness or abolition of sight, with a diminution of transparency, a bluish or greenish tinge of the refracting media of the eye, and a hard inelastic condition of the eyeball, with marked increase of tension within the eyeball.
from The Century Dictionary and Cyclopedia
- n. In pathology, a condition of increased tension or fluid-pressure within the eyeball, with progressive diminution of clearness of vision, and an excavation of the papilla of the optic nerve, resulting (unless properly treated) in blindness. Also called glaucosis.
- n. [capitalized] [NL. (Ehrenberg).] A genus of ciliate infusorians, of the group Colpodina. G. scintillans is an example.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness)
Etymologies
Examples
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The term glaucoma encompasses a group of disorders that cause damage to the optic nerve, leading to vision loss or blindness if left untreated.
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I think "celebrity glaucoma" is an outstanding turn of a phrase, Rich.
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It lowers intraocular pressure in glaucoma patients, decreases spasticity and other neurologic symptoms in multiple sclerosis, and there is evidence that it is useful in a variety of additional medical conditions.
Larry Malerba, D.O. : Medical Marijuana: The Pros and Cons of Legal Cannabis
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More than 171 million people worldwide have diabetes and glaucoma is the leading cause of blindness in the world.
Invention to Help People with Glaucoma or Diabetes Save their Vision | Impact Lab
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Simply put, glaucoma is high pressure in the eyes.
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He has glaucoma, which is that most dastardly sort of condition: a pre-existing one.
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COHEN: People may also develop a condition known as glaucoma in their late 30s.
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Pigment dispersion syndrome, as you say, is a condition that can lead to glaucoma, which is optic nerve damage from elevated pressure within the eye.
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It is convenient to start with the conception that glaucoma is increased tension of the eyeball, plus the causes and effects of such increase; although a broad survey of the facts may reveal a clinical entity to be called glaucoma, without increased tension constantly or necessarily present, and cases of increased intra-ocular tension not to be classed as glaucoma.
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When these two factors coexist in their varying combinations, pathological increase of pressure results -- in short, glaucoma.
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