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Medical Term:


Pronunciation: ek'sof-thal'mos

Definition: Protrusion of one or both eyeballs; can be congenital and familial, or due to pathology, such as a retroorbital tumor (usually unilateral) or thyroid disease (usually bilateral).

Synonym(s): proptosis

[G. ex, out, + ophthalmos, eye]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.