Marcus-Gunn syndrome, also called jaw-winking syndrome, is a rare disease characterized by combined movements of musculus levator palpabrae and masseter muscles, whose etiology is far from clear and treatment used to be symptomatic.

• Marcus-Gunn综合征是一种罕见的眼病,又称下颌瞬目综合征。 患眼的提上睑肌与咀嚼肌发生异常联合运动。