T hough 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 ...

From stress to surprising vitamin deficiencies, discover why your persistent eye twitch might be more than just a harmless annoyance and when to seek help.

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 ...

Thirty patients with hemifacial spasm, all of whom had previously been ... The anatomy of the eye and orbit, 1st ed. London: HK Lewis, 1933:88,fig 52. Wolffe E . The anatomy of the eye and orbit ...