There are many reasons for the formation of myopia. Among them, excessive eye use at close range is an important reason. As we all know, at present, teenagers’ reading and writing, watching TV and playing with computers take up a lot of time in their lives, which undoubtedly increases the burden on their eyes. There are also various methods of preventing and treating myopia, such as herbal medicine, acupuncture and massage, and wearing various kinds of glasses, to name a few. In reality, the simplest prevention method for most simple myopia is to use the eyes reasonably. Do not read books or computers for more than an hour at a time, take a 10-minute break in between, and then continue to use your eyes. Of course, it is also necessary to maintain a reasonable eye posture. Myopia, once formed, is generally difficult to return to normal naturally. The following is a brief introduction to the treatment of myopia that is currently recognized by eye doctors. Frame glasses. The advantages are that they are simple to fit, have little effect on the eyes, are inexpensive, and have a high degree of acceptance. The disadvantage is that they are inconvenient for sports, especially for active teenagers and children. Contact lenses. Medically called corneal contact lenses. They are divided into soft and rigid. Soft contact lenses are commonly used. As the name implies, wearing contact lenses does not affect one’s appearance. However, they require a high level of hygiene because they are worn directly on the corneal surface, which poses a risk of infection. Because they need to be cleaned and replaced frequently, they are much more expensive than frames. For adolescents, there is also the problem of easy dislodgement and loss. Therefore, routine fitting is not recommended for teens. Rigid contact lenses, medically called high permeability rigid lenses (RGP). The lenses are made of a harder material than soft lenses and have higher oxygen permeability than soft lenses. The range of correction for myopia and astigmatism is wider than that of soft lenses. It is a higher grade material and can be worn continuously for 2 weeks (without removing the lenses at night). The disadvantages are the same as for soft lenses. Keratomileusis (also called OK lenses, the English prefix for keratomileusis). It is a type of RGP. They are designed to compress the corneal surface and act to change the refractive power of the cornea, thereby reducing the degree of myopia. This effect is short-lived and reversible. For myopia of less than four hundred degrees, the correction of myopia can be achieved after half a day of regular wear. For convenience, they are usually worn at night while sleeping and removed the next day. These glasses are especially suitable for teenagers. The disadvantage is that it also requires a strict fitting procedure and is relatively expensive. Currently, the only way to treat myopia once and for all is through surgery. The age requirement for surgery is generally adult (18 years or older). There are two types of surgery: excimer laser corneal surgery and IOL surgery. Excimer laser surgery uses a precision excimer laser to accurately cut the cornea according to different degrees of myopia. It is the preferred method for myopic friends because of the small trauma and quick recovery. It is suitable for myopia of less than 1000 degrees. IOL surgery is mainly for friends with high or even super high myopia, and the effect is sure. However, the surgical operation is more difficult than excimer laser. In short, with the development of technology, there are more and more means of treatment for myopia, and myopic friends no longer have to worry about it.