Very rarely, eye twitch may be a sign of certain brain and nervous system disorders. When it is, it's almost always accompanied by other signs and symptoms. Brain and nervous system disorders that can cause eye twitch include:
Eye twitching can come and go unpredictably for a few days, weeks or months. The spasms don't hurt, but they can be annoying. In its most common form, eye twitching is harmless and stops on its own, although it may recur occasionally.
Sometimes, eye twitching may be the earliest sign of a chronic movement disorder, especially if other facial spasms develop in addition to the eye twitching. Usually, however, there is no identifiable cause.
Some of the causes of eyelid spasms that have been identified include:
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.