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Causes
By Mayo Clinic staffAnyone can have an eye twitch from time to time in the absence of an identifiable cause, such as a disease or condition. Most often, eyelid spasms are associated with or prolonged by:
- Alcohol
- Caffeine
- Fatigue
- Irritation of the eye surface or inner eyelids
- Lack of sleep
- Physical exertion
- Smoking
- Stress
Chronic, uncontrollable eyelid movement affecting both eyes is known as benign essential blepharospasm. Although its exact cause is unknown, the following conditions often precede or accompany benign essential blepharospasm:
- Blepharitis
- Dry eyes
- Light sensitivity
- Pink eye (conjunctivitis)
Very rarely, eye twitch may be a sign of certain brain and nerve disorders. When it is, it's almost always accompanied by other signs and symptoms. Brain and nerve disorders that can cause eye twitch include:
- Bell's palsy
- Benign essential blepharospasm
- Dystonia
- Parkinsonism: What causes it?
- Side effects of drugs, particularly medications used to treat epilepsy and psychosis
- Cervical dystonia (a separate type of dystonia sometimes accompanied by blepharospasm)
- Tourette syndrome
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.
