what causes eye to twitch
Common Causes of Eye Twitching. 1  Stress. 2  Lack of sleep (Plus Stress Can Increase It) 3  Fatigue. Corneal irritation or injury.  Prolonged staring or eye 1  strain. Excessive Caffeine. 2  Alcohol. Electrolyte imbalance.  Neurological 1  disorders. Possibly Hereditary.
Types of eye twitching. Minor eyelid twitch also can be caused by irritation of the surface of the eye ( cornea) or the membranes lining the eyelids (conjunctiva). Sometimes the cause of minor eyelid twitch cannot be identified. In almost all cases it is painless and harmless.