Marcus Gunn jaw winking with trigemino-oculomotor synkinesis of the inferior division of the oculomotor nerve.
Synkinetic aberrant innervation syndromes can involve abnormal movements of multiple extraocular and eyelid muscles. The authors describe a case of eyelid elevation associated with simultaneous adduction and depression of the eye upon chewing, sucking on a bottle, or wide opening of the mouth since birth. This represents a unique case of congenital Marcus Gunn jaw winking with trigemino-oculomotor synkinesis involving the inferior branch of the oculomotor nerve. The most likely explanation for these abnormal movements is prenatal aberrant innervation of eyelid and extraocular muscles.
Kassem
Iris S
IS
Department of Ophthalmology, North Shore-Long Island Jewish Health System, Great Neck, New York 11021, USA.
Kodsi
Sylvia R
SR
D001767:Blinking; D005143:Eyelids / Q000294:innervation; D005260:Female; D006801:Humans; D007223:Infant; D008409:Mastication; D009801:Oculomotor Muscles / Q000294:innervation; D009802:Oculomotor Nerve / Q000002:abnormalities*; D015840:Oculomotor Nerve Diseases / Q000150:complications* / Q000151:congenital; D014276:Trigeminal Nerve / Q000002:abnormalities*; D020433:Trigeminal Nerve Diseases / Q000150:complications* / Q000151:congenital