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jaw-winking syndrome

 

Definition: an increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and with ptosis when the mouth is closed.

Synonym(s): Gunn phenomenon, Gunn syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome

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