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Marcus Gunn jaw-winking synkinesis: clinical features and management
Hakan Demirci1, Bartley R Frueh, Christine C Nelson
1Eye Plastic, Orbital and Facial Cosmetic Surgery Service, W.K. Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan 48105, USA.
Ophthalmology
|March 2, 2010
Summary
Marcus Gunn jaw-winking synkinesis (MGJWS) often presents with moderate eyelid excursion. Surgical management, including levator muscle disabling and frontalis suspension, effectively treats MGJWS with manageable complications like eyelash ptosis.
Area of Science:
- Ophthalmology
- Neurology
- Plastic Surgery
Background:
- Marcus Gunn jaw-winking synkinesis (MGJWS) is a rare congenital condition.
- It involves abnormal coordination between the trigeminal and oculomotor nerves.
- This results in involuntary eyelid elevation during jaw movement.
Purpose of the Study:
- To characterize the clinical features of MGJWS.
- To evaluate the efficacy of surgical management for MGJWS.
- To assess complications associated with surgical interventions.
Main Methods:
- Retrospective review of 48 patients with MGJWS.
- Assessment of clinical features and eyelid excursion.
- Evaluation of surgical outcomes and complications.
Main Results:
- Most patients (76%) had moderate eyelid excursion.
- Surgical treatment resolved MGJWS in 97% of patients.
- Common complications included eyelash ptosis and loss of eyelid crease (10% each).
Conclusions:
- MGJWS typically presents with moderate eyelid excursion.
- Levator muscle disabling combined with frontalis suspension is an effective treatment.
- Surgical interventions offer good outcomes with a low rate of significant complications.
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