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 ...
Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...
It occurs when facial muscles constrict ... refers to involuntary twitching of the eyelids. Researchers are unsure of the exact cause, but it likely occurs due to a combination of genetic and ...