Marcus Gunn jaw-winking syndrome

Also known as: Marcus Gunn phenomenon

Congenital ptosis with eyelid elevation on jaw movement.

Medical specialty: Ophthalmology
Subspecialty: Ophthalmology / Orbit and oculoplastics
Sex & age distribution: Male: affected; Female: affected, equal; Children: yes, congenital
Gene(s) involved: None recorded

Etiology & mechanism

Synkinesis between trigeminal motor and oculomotor nerves.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (4)

amblyopiaeyelid elevation on chewingstrabismusunilateral ptosis

SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.