Myopia that is clear in the distance and blurred in the near is usually due to overcorrection or presbyopia. When glasses are worn at a higher prescription than the patient’s own eyes, they are said to be overcorrected. The eye needs to use more adjusting power to neutralize the overcorrection, at this time, although the distant scenery is still clear, but when looking at the near scenery, it will be blurred due to the lack of adjusting reserve. For middle-aged and old-aged patients, the phenomenon of presbyopia, also known as presbyopia, will lead to the degeneration and decline of the eye’s adjustment function, at this time wearing myopia glasses to correct myopia to see distant scenes although clear, but to see the near scene because the patient can’t through the adjustment of the focus of the vision in the near, it will be blurred. If the phenomenon of wearing myopia glasses to see the distance clearly and see the near fuzzy phenomenon, it is recommended to go to the regular hospital optometry examination, and then give the correct treatment.