Myopia in adults does not change much, but the main thing is to be emotionally stable and not to do strenuous exercise. During delivery, the risk of retinal detachment cannot be avoided because of the need to use abdominal pressure as much as possible. The indications for cesarean section are relaxed for pregnant women with myopia of 800 degrees or more. This includes prevention of the development of high myopia and prevention of complications of myopia. 1. Methods to prevent the development of high myopia: The duration of continuous near eye use should not be too long. Active participation in outdoor activities. Reasonable regulation-assembly training. Adequate sleep, a combination of work and rest, a balanced diet, and reasonable nutrition should be ensured. Special attention should be paid to reasonable eye use, choosing appropriate work and avoiding excessive eye use and adverse visual stimulation. Measures that may slow down or end the development of myopia include glasses (bifocal lenses, high oxygen permeable rigid contact lenses), medications, surgery, etc. 2. The main causes of high myopia blindness are complications, such as retinopathy, glaucoma, amblyopia, etc., which need to be prevented. In addition to regular attention to changes in visual acuity, you should also pay attention to any other abnormalities that occur in the early stages of the eye, such as flashiness, mosquitoes, visual field defects, progressive or sudden loss of vision, as well as eye soreness, pain and night blindness. Other special eye examinations should be performed if necessary.