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Related Experiment Videos

Eye bobbing associated with jaw movement

C S Oesterle, W J Faulkner, R Clay

    Ophthalmology
    |January 1, 1982
    PubMed
    Summary

    This study describes a rare eye movement disorder, termed "eye bobbing," observed in two patients. Eye bobbing involves abnormal globe movements linked to jaw actions, potentially sharing an etiology with Marcus Gunn jaw-winking.

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    Area of Science:

    • Ophthalmology
    • Neurology
    • Pediatric Medicine

    Background:

    • Marcus Gunn jaw-winking is a congenital condition causing eyelid elevation during jaw movement.
    • A previously unreported disorder involving abnormal globe movements synchronous with jaw actions was observed in two pediatric patients.

    Purpose of the Study:

    • To describe and analyze a novel presentation of abnormal ocular motility related to jaw movements.
    • To explore the potential shared etiology between this new disorder and Marcus Gunn jaw-winking.

    Main Methods:

    • Case study of two pediatric patients with congenital blepharoptosis and abnormal eye movements.
    • Clinical observation of ocular motility during jaw movements (nursing and chewing).
    • Review of embryologic development and innervation of related ocular muscles.

    Main Results:

    • Patient 1: Infant with blepharoptosis exhibited globe movements synchronous with nursing.
    • Patient 2: Child with blepharoptosis and double elevator palsy showed globe and eyelid movements synchronous with chewing.
    • Abnormal globe movements persisted after surgical intervention for blepharoptosis.

    Conclusions:

    • The observed
    • eye bobbing
    • is likely due to aberrant innervation of the superior rectus muscle during jaw movements.
    • This phenomenon may share a similar pathophysiological basis with Marcus Gunn jaw-winking, supported by shared embryologic origins and innervation patterns of the levator and superior rectus muscles.

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