Myopia is usually classified into 3 types: mild myopia, moderate myopia, and high myopia, and 1000 degrees is classified as high myopia. This condition is usually related to genetic, developmental and environmental factors, and may be treated with glasses, ICL lens implantation or laser surgery to obtain visual improvement results. 1. Common causes 1. Genetic factors: High myopia is an autosomal recessive inheritance, and for some patients with high myopia at an early age, there is usually a tendency for genetic influence; 2. Developmental factors: The eye development is small during infancy, and there is usually a certain amount of hyperopia, but with the growth of age, the eye axis will gradually appear to lengthen, and it usually develops normally around the age of 6. If excessive development occurs during this period, simple myopia may be formed, usually less than 600 degrees, and will generally be stable at the age of 20; however, if patients develop too fast in early childhood and adolescence, progressive myopia may occur, and the number of degrees is relatively high, and may even reach 2000-3000 degrees; 3, environmental factors: for people who are engaged in long-term text reading, editing and other work. Because of the long time close eye work, resulting in long time eye muscle tightness, intraocular pressure, and then lead to high myopia. Treatment 1. Regular follow-up monitoring: For patients with high myopia and a growing trend, the first thing to do is to make regular follow-up checks; 2. Patients can choose ICL crystal implantation or laser surgery to improve their vision; 4. Improve habits: Patients can reduce the use of eyes for a long time, and try to make their eyes work and rest; diet can be improved by taking cassia seeds or drinking wolfberry and chrysanthemum in warm water. It is worth noting that the above methods can only improve the vision condition, but the fundus lesion can not be changed, so for patients with 1000 degrees of high myopia, they should pay attention to regular review of the fundus lesion condition to avoid blindness and other conditions.