Hemifacial spasm (HFS) is a neurological disorder manifested by twitching on one side of the face due to involuntary contractions of the eyelid and other facial muscles. It usually begins gradually ...

Facial spasms are involuntary twitching or spasms in the face and eyelid area caused by neuromuscular disorders. These spasms usually aren’t painful but can be uncomfortable and distracting. You may ...

Hemifacial spasm causes involuntary spasms of the eyelid on one side, as well as spasms in the lower face on that side. Johns Hopkins neurologists regularly treat people with neurological eye ...