What does it mean if my eye twitches?

An eye twitch - that maddening little flutter in the eyelid - is nearly always benign myokymia, a temporary nerve misfire with a predictable trigger list: fatigue, stress, caffeine, alcohol, dry eyes, allergies, and long screen stretches. NEI notes eyelid twitching is usually harmless and resolves on its own. It can hang around for days or even a couple of weeks, which feels alarming but is still normal. The fix is subtraction: sleep a full night or two, cut caffeine for a few days, use artificial tears if your eyes feel dry, and take actual screen breaks. Most twitches vanish within a week of the trigger going away. If it keeps recurring, look at whether the trigger keeps returning too - afternoon coffee and short sleep are the usual repeat offenders. The uncommon patterns that change the answer: twitching that closes the eye completely or spreads to other facial muscles, an eyelid that droops, redness or swelling with discharge, or a twitch that persists past about three weeks despite sleep and less caffeine. Those deserve an eye exam. And twitching with any other new facial movement or weakness should be checked promptly, since that is a nerve story, not a lifestyle one. Pymander is a free AI doctor, 24/7 by text. Describe the twitch and your triggers, and it can help you judge the wait-it-out window.