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exophthalmos Line breaks: ex|oph|thal¦mos
Pronunciation: /ˌɛksɒfˈθalmɒs/
(also exophthalmus or exophthalmia ˌɛksɒfˈθalmɪə)

Definition of exophthalmos in English:


[mass noun] Medicine
Abnormal protrusion of the eyeball or eyeballs.
Example sentences
  • One you have been diagnosed, your eye doctor will want to examine your eyes regularly, because exophthalmos is a progressive disease.
  • The clinical features of thyroid eye disease include ocular pain, photophobia, chemosis, diplopia, exophthalmos, and eye irritation.
  • The left orbit was medially compressed, and exophthalmos had occurred.


Early 17th century: from modern Latin exophthalmus, from Greek exophthalmos 'having prominent eyes', from ex- 'out' + ophthalmos 'eye'.

Definition of exophthalmos in:
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