The eyelid will take charge for the movement of eyes close. The muscle around your eyes will match the eyelid to complete this kind of work. The occasionally shake of eyes, basically it will be the abnormal exciting of your controlling eyes muscle of nerves. The muscle unconsciously contracts to lead the skin of your eyes. This symptom usually happen under the circumstance of overload fatigue, long time eyes use, or sleep lacking. Strong rays and some medicine, foreign body on your eyes or even smoking and drinking will also lead to its happen. If you want to recovery to the normal, you can only to relax your eyes for some minutes, hot towel applyiing will also helpful. If the above method are not work, it may be the spasm phenomenon of your face, you need go to doctor for help.