Blepharospasm is an involuntary contraction of the eyelids. The patient can’t avoid closing his or her eyelids repeatedly, as with a tic.
Sometimes, these episodes last for a few seconds, during which the patient can’t see, which in turn affects his or her quality of life. The patient may also suffer light sensitivity and dry eyes.This chronic pathology happens when there are involuntary contractions of orbicular muscle, which is in charge of closing the eyelids.
How does the botox treatment work?
Small amounts of botulinum toxin are injected in the muscles around the eyes.This temporarily weakens the muscles, decreasing both the frequency and the intensity of the spasms.
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