Eyes blink. What's going on?

The eyes are always blinking, is the performance of blepharospasm. Blepharospasm is an unknown cause, involuntary facial nerve innervation area muscle spasm and convulsions, mostly occurs in the elderly. Generally lighter blepharospasm, may be related to long-term close eye fatigue, many people can relieve themselves after rest. For long-term blepharospasm or more severe blepharospasm, local injection of botulinum toxin can be considered. However, the duration of treatment is relatively short, generally 3 to 6 months later, need to be treated again, no treatment may relapse. If repeated recurrence or more serious blepharospasm, surgery can be considered, need to neurology for further diagnosis and treatment.