DefinitionAn eyelid twitch is a general term for involuntary spasms of the eyelid muscles. In some instances, the eyelid may repeatedly close (or nearly close) and re-open.This article discusses eyelid twitches in general. Alternative NamesEyelid spasm; Eye twitch; Twitch - eyelidCauses, incidence, and risk factorsThe most common things that make the muscle in your eyelid twitch are fatigue, stress, and caffeine. Once spasms begin, they may continue off and on for a few days. Then, they disappear. Most people experience this type of eyelid twitch on occasion and find it very annoying. In most cases, you won't even notice when the twitch has stopped.More severe contractions, where the eyelid completely closes, are possible. These can be caused by irritation of the surface of the eye (cornea