Patients with high myopia are at greater risk for complications, but some may go their entire lives without serious complications. High myopia is defined as myopia of more than 600 diopters. The risk of complications associated with high myopia, such as retinal degeneration, retinal detachment, glaucoma, macular degeneration, etc., is higher, but patients with high myopia do not necessarily experience related complications. Some patients with high myopia have relatively healthy eyes. High myopia can affect the patient’s naked-eye vision, but there are no complications, and the patient’s exact degree of myopia can be determined through an optometry examination. Patients can correct their myopia by wearing eyeglasses to improve their vision. It is suggested that patients with high myopia should pay attention to protecting their eyes in their normal life, especially avoiding great external impact on the eyes and avoiding strenuous exercise, etc., which is meaningful for preventing the occurrence of complications. If vision loss occurs, patients need to consult a doctor in time.