Vonage Holdings Corp. founder, chairman and chief strategist Jeffrey Citron celebrates his company's IPO with then-New York Stock Exchange CEO John Thain after the opening bell on May 24, 2006. The celebration wouldn't last long. An initial public offering (IPO) is often described as a company's coming out party..
Blepharospasm is caused by abnormal brain function in the part of your brain that controls muscles. Symptoms can be triggered by something as minor as stress and being overly tired. Or it could be triggered by a neurological condition. Such conditions would include Touretteâs syndrome or Parkinsonâs disease.
Benign essential blepharospasm is a movement disorder (dystonia) of the muscles around the eye. No one knows exactly what causes it. Hemifacial spasm is typically caused by a small artery that irritates a facial nerve. Very rarely, eye twitching 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 twitching include: Bell's palsy.