Exophthalmos

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exophthalmos

[‚ek‚säf′thal·məs]
(medicine)
Abnormal protrusion of the eyeball from the orbit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Exophthalmos

 

protrusion of the eyeball. Exophthalmos is most commonly caused by diffuse toxic goiter. It may also be caused by a tumor in the eyeball or adjacent regions, trauma of the eyeball, thrombosis of the orbital veins, and inflammatory diseases. If pronounced, exophthalmos may be accompanied by limited mobility of the eyeball and impairment of vision. Therapy is based on the cause of the condition.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.