Blepharospasm (also called benign essential blepharospasm) is blinking or other eyelid movements, such as twitching, that you cannot control.

Eyelid twitches usually go away on their own. But people with benign essential blepharospasm can develop severe and chronic (long-lasting) eyelid twitching.

Blepharospasm usually starts with small twitches in the eyelid that occur from time to time. Over time, the twitching can become more common and close your eyes completely. That can make it difficult to do everyday things like reading or driving.

Some people also have facial convulsions (jerks in other parts of the face).

Blepharospasm occurs when the part of the brain that controls your eyelid muscles stops working properly. Sometimes blepharospasm runs in families, and women ages 40 to 60 are more likely to develop it. But in most cases, doctors don't know what's causing it.

Your eye doctor can check for blepharospasm as part of a comprehensive eye exam. They will also ask you about your medical history and family medical history.

There is no cure for blepharospasm, but there are treatments that can help with your symptoms.

Lifestyle changes such as managing your stress, getting enough sleep, and eating or drinking less caffeine (such as coffee, tea, or soda) can also help.

If another condition is causing your eyelids to twitch, treating that condition can stop the twitching.   For example, if you have dry eyes, your doctor may recommend eye drops or medications to help water your eyes. Read more about dry eyes .