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Marcus Gunn jaw winking syndrome

#Shorts Marcus Gunn jaw-winking syndrome a/k/a Trigemino oculomotor synkinesis a branch of the mandibular division of the fifth cranial nerve is misdirected to the levator muscle. Therefore, Jaw movement – retraction of ptotic lid Note: Here right eye is closed as the child is sleeping About 5% of all cases of congenital ptosis are associated with the Marcus Gunn jaw-winking phenomenon vast majority are unilateral. This phenomenon is usually first noticed by the mother when she is feeding or nursing the baby. Most common movement that causes elevation of the ptotic eyelid is jaw movement to opposite side Other movements that can it- chewing, sucking, opening the mouth, jaw protrusion, smiling, swallowing and clenching of teeth. Treatment Surgery should be considered if jaw-winking or ptosis represents a significant functional or cosmetic problem. Surgery -Bilateral levator disinsertion with bilateral brow suspension