Blepharoclonus is a form of blepharospasm caused by spasms in the orbicularis oculi muscle; it can manifest either as increased blinking or as a general twitching or fluttering of the eyelid. Blepharoclonus appears in a number of disorders, including jaw-winking syndrome, multiple sclerosis, Tourette's syndrome, and obsessive-compulsive disorder. It's not really debilitating, except that people who are talking to the patient may be distracted by his or her constantly fluttering eyelids. As with blepharospasm, treatment can involve benzodiazepines, Botox, or other measures.

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