Medical on Instagram: "It's called Myokymia - involuntary, small muscle twitching or quivering, often seen around the eyes or face. It's usually harmless and can be triggered by stress, fatigue, or caffeine. Taking Magnesium can sometimes help Myokymia is a condition that causes a muscle or bundle of muscles to quiver involuntarily. It's often described as a twitch or spasm of the eyelid, but it can also occur in the face. Myokymia can range from barely noticeable to irritating. It's usually a f