Eyelid twitching can be encountered frequently in life and is medically known as an eyelid twitch. This is because there is a very thin layer of muscle tissue called the orbicularis oculi muscle that is distributed around the circumference of the eye within the eyelid. A sustained contraction and spasm of the muscle causes the eyelid to jump. In most cases, eyelid twitching is transient, so there is no need to worry too much about it. Most of the popular folk say that the left eyelid jumping is a good thing, the right eyelid jumping is a sign of bad things, this should be a superstition, there is no scientific basis. The reason for the eyelid jumping may be: one is because of mental tension, poor sleep quality or poor rest caused by. Another situation to consider the possibility of eye disease, such as a serious dry eye, myopia, astigmatism, conjunctivitis, etc.. The eyelid jumping generally does not affect much and does not require medical attention, more attention can be paid to rest and relaxation, and it is best to use a hot towel to apply a hot compress to see the change in the number of eyelid jumping. The majority of eyelid jumping is caused by excessive use of the eyes, do not read too much in daily life, watch TV, play computer, fatigue when you can do eye exercises. If the eyelids are always twitching for months or years, it is best to go to the hospital for an eye examination to rule out any eye disease.