Myopia of more than 1,000 diopters is known as hypermetropia, which may lead to fundus complications, such as retinal tear or retinal detachment, macular hemorrhage and other serious complications, which may lead to extreme vision loss or even blindness. In order to avoid this situation, it is recommended to maintain reasonable eye habits, avoid excessive eye use, and prevent myopia from growing too fast. With the deepening of myopia, the eye axis is gradually lengthened, the retina becomes more and more unstable, if you do not pay attention or after strenuous exercise, there is a possibility of retinal detachment of this kind of complications, once formed, vision will be a serious decline, and this damage is usually irreversible, even if the surgery to repair the eyesight after it is also very difficult to return to normal. Therefore, patients with high myopia need to do fundus examination regularly to avoid eye complications.