Most commonly too much stress, lack of sleep, anxiety or excessive caffeine/sugar/alcohol intake. Myokymia can almost always be linked to one or more of several causes. Even though the movement can feel quite large typically only one or two muscles are affected at a time and therefore the movement is quite small, and only minimally visible to others. It is merely a result of a misfiring of the motor nerves driving several of the muscles of the eyelid. This twitching is called Myokymia (my-oh-kime-ee-ya) and is not a directly a serious medical concern. Myokymia can also precede an episode of blepharospasm, which is a much stronger involuntary eye closure involving the orbicularis oculi muscle which runs completely around your eye (used when clenching your eyes shut). In rare cases, it can occur in both eyes, and in even rarer cases can be strong enough to cause double vision. It typically occurs in one eye or the other at a time, most commonly in the outer lower lid, but sometimes the outer upper lid. It can occur quite frequently, lasting from several seconds to minutes. This quivering of the eyelids can be quite alarming as it is completely involuntary and sometimes quite difficult to resolve. Bishop and Associates is related to twitching of the eyelids. One of the most common complaints we get here at Dr.