Ptosis Jaw-Wink

Marcus Gunn Jaw wink ptosis is an example of synkinesis (an abnormal innervation connecting two groups of normally UNRELATED muscles)

Marcus Gunn Jaw-wink ptosis does not generally improve with time, but children do tend to learn how to minimize the appearance

The phenomena is thought to be due to a congenital misdirection of the fifth cranial nerve fibers into a branch of the third cranial nerve that supplies levator muscle.

Overview
Features

 

Marcus Gunn Jaw wink ptosis is an example of synkinesis (an abnormal innervation connecting two groups of normally UNRELATED muscles) This causes the eyelid to open (increase in the palbebral fissure) with movements of the mouth

Causes

Evaluation of the Patient

Concurrent Anatomic Abnormalitites

Marcus-Gunn Jaw-winking Ptosis

Treatments