- Blepharospasm is a focal dystonia that affects the muscles of the eyelids and brow.
- Symptoms include increased blinking and involuntary closing of the eyes.
- Blepharospasm may be primary or secondary.
- People with blepharospasm have normal vision. When vision is impaired, it is due solely to the forced closure of the eyelids.
- Treatment may include botulinum toxin injections, oral medications, surgery, and complementary therapies.
- Blepharospasm may be referred to as a 'cranial dystonia.
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