Eyelid twitching, also called eyelid tics and spasms and in medical terminology, myokymia are common and usually involves the lower lid. They come and go but can recur over a period of several weeks. Like the proverbial engine noise that won't occur when you're at the mechanic, most eye twitches don't happen when you're sitting in your doctor’s office. However this wasn't the case last week! They are usually triggered by stress, fatigue and eye strain. The condition can certainly be annoying but

Fasciculations refer to involuntary, brief, and spontaneous muscle contractions or twitches that involve small groups of muscle fibers. These twitches are visible under the skin and can happen in any muscle of the body, but they often occur in the arms, legs. Unlike myokymia, which typically involves finer muscle fibers like those around the eyes. Local Twitch Response (LTR) refers to an involuntary, reflexive contraction of a muscle or a portion of a muscle that occurs when a trigger point is s