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Exophthalmos


/ˌeksäfˈTHalməs/

Noun

1. A bulging of the eye anteriorly out of the orbit. Exophthalmos can be either bilateral (as is often seen in Graves’ disease) or unilateral (as is often seen in an orbital tumor). Complete or partial dislocation from the orbit is also possible from trauma or swelling of surrounding tissue resulting from trauma. (wikipedia.org)

2. An abnormal protrusion of the eyeball from its socket. (wiktionary.org)

3. An abnormal protrusion of the eyeball in the orbit when observed from the side. Quantification can be made using an exophthalmomometer. (biology-online.org)

Syn: proptosis

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