Inverse Marcus-Gunn phenomenon

Definition

Inverse Marcus-Gunn phenomenon is a rare congenital synkinesis where jaw opening by the pterygoid muscle (during eating or yawning) causes eyelid drooping from inhibition of the oculomotor nerve to the levator palpebrae superioris. Familial occurrence has been reported.

Disease data

Classification

Clinical subtype

ORPHA code

98951

OMIM code

ICD10 code

Q07.8

ICD11 code

*Soruce