Protruding eyeball. A common finding in hyperthyroidism (too much thyroid hormone) of Graves disease.

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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

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protrusion of the eyeballs in their sockets. This can result from injury or disease of the eyeball or socket but is most commonly associated with overactivity of the thyroid gland (see thyrotoxicosis).

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ex·oph·thal·mos (ek″sof-thalґmos) [ex- + Gr. ophthalmos eye] abnormal protrusion of the eyeball. Spelled also exophthalmus; called also exorbitism and proptosis. exophthalmic adj

Exophthalmos and lid retraction associated with Graves disease.

Medical dictionary. 2011.

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 — 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… …   Universalium

  • 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 — [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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