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 ...

With hemifacial spasms, a neuromuscular disorder, an eyelid spasm progresses to incorporate the brow and muscles in the lower face, often pulling the mouth to one side. Eyelid spasms differ from ...

Proper patient communication is the key to achieving good outcomes when administering botulinum toxin, according to a speaker ...