Nearsightedness tends to deepen if you don’t wear glasses, and if you already have true myopia, it is recommended to wear myopic glasses often. Because without glasses, the human eye becomes blurred when seeing things, but because the lens, suspensory ligament and ciliary muscle of the human eye have a certain adjustment force, in order to see objects in the distance, it will mobilize all the adjustment force, in the process it is easy to ciliary muscle tension, visual fatigue phenomenon, in the long run will make the eye axis elongated, that is, will further aggravate myopia. Therefore, only in the case of wearing myopia glasses, the patient is in a relaxed state when using the eyes, and will not make myopia deepen, it is recommended that people who are already myopic in addition to long-term wear glasses, but also more rest eyes, avoid excessive eye use.