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exophthalmos

American  
[ek-sof-thal-muhs, -mos] / ˌɛk sɒfˈθæl məs, -mɒs /
Also exophthalmus

noun

Pathology.
  1. protrusion of the eyeball from the orbit, caused by disease, especially hyperthyroidism, or injury.


exophthalmos British  
/ ˌɛksɒfˈθælmɒs, ˌɛksɒfˈθælmɪə, ˌɛksɒfˈθælməs /

noun

  1. Also called: proptosis.   ocular proptosis.  abnormal protrusion of the eyeball, as caused by hyperthyroidism

"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

Other Word Forms

  • exophthalmic adjective

Etymology

Origin of exophthalmos

1870–75; < New Latin < Greek exóphthalmos with prominent eyes, equivalent to ex- ex- 3 + ophthalmós eye; ophthalmic

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It must not be forgotten, however, that there are cases in which there is no exophthalmos and even no goitre, at least no enlargement of the thyroid gland that can be demonstrated externally.

From Psychotherapy by Walsh, James J. (James Joseph)

In some cases in which exophthalmos has been seemingly spontaneous, extreme laxity of the lids may serve as an explanation.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

It occasionally happens that in undoubted cases of the disease one or other of the three above-named phenomena is absent, generally either the goitre or the exophthalmos.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various

There are risks on the one hand of a most unseemly exophthalmos with divergent squint, and on the other of a retraction of the semilunar fold, so that the sub-conjunctival operation is always preferable.

From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Bell, Joseph

Examples of exophthalmos, or protrusion of the eye from the orbit from bizarre causes, are of particular interest.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)