If eye muscles were slow, we couldn't focus on anything moving around us. So they do it in less than 1/100 of a second. [CLINK CLINK] But no journey of the eye would be complete without ...

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 ...