No one knows what causes this, which your doctor might call blepharospasm. When it happens, your eyelid, usually the upper one, blinks and you can’t make it stop. Sometimes it affects both eyes. The lid moves every few seconds for a minute or two.
Doctors think it can be linked to:
Twitches are painless, harmless, and usually go away on their own. But if the spasms are strong enough they can cause your eyelids to completely shut and then reopen.