What is Benign Essential Blepharospasm (BEB)?
(Symptoms, Causes & Treatment)
According to the U.S. National Library of Medicine, Benign essential blepharospasm is a condition which causes abnormal blinking or spasms of the eyelids. This condition is a type of dystonia (a group of movement disorders involving uncontrolled muscle contractions, tremors, and other involuntary movements.
The signs and symptoms of benign essential blepharospasm usually appear in mid- to late adulthood and gradually worsen. The first symptoms of the condition include an increased frequency of blinking, dry eyes, and eye irritation that is aggravated by wind, air pollution, sunlight, and other irritants. These symptoms may begin in one eye, but they ultimately affect both eyes. As the condition progresses, spasms of the muscles surrounding the eyes cause involuntary winking or squinting. Affected individuals have increasing difficulty keeping their eyes open, which can lead to severe vision impairment.
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