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blepharospasm

Pronunciation: blef′ă-rō-spazm′, -spaz′mŭs

Definition: Involuntary spasmodic contraction of the orbicularis oculi muscle; may occur in isolation or be associated with other dystonic contractions of facial, jaw, or neck muscles; usually initiated or aggravated by emotion, fatigue, or drugs.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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