Hemifacial spasm (HFS) is a neurological disorder manifested by twitching on one side of the ... Most cases of HFS do not have an obvious cause and are referred to as “idiopathic”. However, HFS is ...

The main causes for eye twitching are ... such as blepharospasm and hemifacial spasms. Eye twitching results from spasms in the muscles that control your eyelids. These spasms are involuntarily ...

A blepharospasm causes one or both eyes to close involuntarily ... making it difficult to perform daily tasks. With hemifacial spasms, a neuromuscular disorder, an eyelid spasm progresses to ...