exophthalmos

exophthalmic, adj.
/ek'sof thal"meuhs, -mos/, n. Pathol.
protrusion of the eyeball from the orbit, caused by disease, esp. hyperthyroidism, or injury.
Also, exophthalmus /ek'sof thal"meuhs/, exophthalmia /ek'sof thal"mee euh/.
[1870-75; < NL < Gk exóphthalmos with prominent eyes, equiv. to ex- EX-3 + ophthalmós eye; see OPHTHALMIC]

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also spelled  exophthalmus , also called  proptosis  

      abnormal protrusion of one or both eyeballs (eye, human). The most common cause for unilateral or bilateral exophthalmos is thyroid (thyroid gland) eye disease, or Graves (Graves disease) ophthalmopathy. The proptosis arises from inflammation, cellular proliferation, and accumulation of fluid in the tissues that surround the eyeball in its socket, or orbit. The vast majority of people with Graves ophthalmopathy also have (or will later develop) thyroid dysfunction. Other causes of exophthalmos include other orbital inflammatory conditions, spread of infection from the paranasal sinuses or teeth, trauma, various orbital tumours (tumour), and vascular ( blood vessel) abnormalities of the orbit. It should also be noted that “prominent” eyes can be a normal inherited trait in certain families.

      Exophthalmos often leads to increased exposure of the eye surface, which can produce irritation and redness. Other symptoms or findings that can coincide with exophthalmos include eyelid swelling or retraction, deep orbital pain, and double vision. In severe cases, vision can be threatened from exposure-induced cornea damage or compression of the optic nerve within the orbit. Treatment of symptomatic exophthalmos is directed at correcting any underlying disorders (e.g., hyperthyroidism), as well as providing lubrication of the eye surface, if necessary. Persistent exophthalmos from Graves ophthalmopathy can be managed with medication, surgery, or radiation therapy. Vision loss or vision-threatening changes associated with exophthalmos require prompt intervention.

Daniel M. Albert David M. Gamm
 

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Universalium. 2010.

Look at other dictionaries:

  • Exophthalmos — Ex oph*thal mos, ||Exophthalmus Ex oph*thal mus, n. [NL.] (Med.) Same as {Exophthalmia}. Syn: exophthalmus, exophthalmy. [1913 Webster] …   The Collaborative International Dictionary of English

  • exophthalmos — [eks΄äf thal′məseks΄äf thal′məs] n. [ModL < Gr, with prominent eyes < ex , out + ophthalmos, an eye: see OPHTHALMIA] abnormal protrusion of the eyeball, caused by various disorders: also exophthalmus [eks΄äf thal′məs] or exophthalmia… …   English World dictionary

  • Exophthalmos — Proptosis redirects here. For the condition of drooping of the eyelid, see Ptosis (eyelid). Exophthalmos Classification and external resources Patient with bilateral exophthalmos, as well as strabismus (asymmetrical eye alignment) …   Wikipedia

  • exophthalmos — also exophthalmus noun Etymology: New Latin, from Greek exophthalmos having prominent eyes, from ex out + ophthalmos eye; akin to Greek ōps eye more at eye Date: 1872 abnormal protrusion of the eyeball • exophthalmic adjective …   New Collegiate Dictionary

  • Exophthalmos — Protruding eyeball. A common finding in hyperthyroidism (too much thyroid hormone) of Graves disease. * * * ex·oph·thal·mos also ex·oph·thal·mus .ek säf thal məs, səf n abnormal protrusion of the eyeball ex·oph·thal·mic .ek säf thal mik adj * * * …   Medical dictionary

  • exophthalmos — [ˌɛksɒf θalmɒs] noun Medicine abnormal protrusion of the eyeball or eyeballs. Derivatives exophthalmic adjective Origin C17: from mod. L. exophthalmus, from Gk exophthalmos having prominent eyes …   English new terms dictionary

  • exophthalmos — ex•oph•thal•mos or ex•oph•thal•mus [[t]ˌɛk sɒfˈθæl məs[/t]] also ex oph•thal′mi•a n. pat protrusion of the eyeball from the orbit, caused by disease or injury • Etymology: 1870–75; < NL < Gk exóphthalmos with prominent eyes = ex… …   From formal English to slang

  • exophthalmos — n. (also exophthalmus, exophthalmia) Med. abnormal protrusion of the eyeball. Derivatives: exophthalmic adj. Etymology: mod.L f. Gk exophthalmos having prominent eyes (as EX (2), ophthalmos eye) …   Useful english dictionary

  • exophthalmos — protrusion of an eyeball. Usually results from liquid or gas accumulation at the rear of the eye socket or by diseases. Also called popeye …   Dictionary of ichthyology

  • exophthalmos — noun An abnormal protrusion of the eyeball from its socket …   Wiktionary

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