
Rosa Jr., MD, professor of surgery and medical physiology at the Texas A&M College of Medicine. “There is typically no reason to be concerned about these slight tremors, which are common,” said Robert H. Random, involuntary spasms, ordinarily felt in the lower eyelid and sometimes in the upper eyelid, are normal and often subside within minutes. Single eyelid twitches are called myokymia, which are uncontrolled muscle contractions of the eyelid. Virtually everyone has experienced that jittering sensation around the eye, and in annoyance, we often wonder, “Why is this happening?” You are up late eyeballing a term paper, and suddenly, part of one eyelid starts twitching.
