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Inverse Marcus-Gunn phenomenon

MONDO:0020362

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.

1 clinical trial for this condition and its sub-types.

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Broader categories

Disease (618) Nervous system disorder (217) Syndromic disease (24) Human disease (14) Cranial nerve neuropathy (3) Jaw-winking syndrome (2) Disorder of visual system (1) Disease by body system or component (0)

VR headsets tested as a possible treatment for blindness

Disease control Terminated

This study tested whether using a virtual reality headset for one-hour sessions could help regenerate damaged optic nerves and improve vision in people with glaucoma or other retinal diseases. The idea came from promising results in rodents. However, the trial was terminated earl…

Phase: NA • Sponsor: Stanford University • Aim: Disease control

Last updated Jun 27, 2026 08:03 UTC