Not particularly many, mainly myopia formed in junior high schools and primary schools, mostly four or five Baidu. There will be a physical examination at the university. But it doesn't usually have any effect. Unless your major is very strict with your eyesight. But even so, you won't drop out of school, you may transfer to other majors or schools, and you won't drop out of school because of this. As far as I know, it is generally required to wear glasses for medical examination 1.0. If the degree rises too much, just get a new pair of glasses. But it is estimated that you may not be able to apply for a major that uses more eyes. First of all, myopia is irreversible. Don't expect to sleep every day after myopia, myopia will recover automatically. Learn to accept the facts after myopia, then take measures to prevent myopia from deepening, and then consider whether to correct myopia. Secondly, how to prevent myopia from deepening? For teenagers, you can consider wearing orthokeratology glasses, that is, OK glasses, which can effectively control the development of myopia; For adults, the OK mirror is not so easy to use. Patients can only develop good eye habits on their own. Don't stare at the electronic screen for a long time, and occasionally ignore it. Finally, 800 degrees belongs to high myopia, and it is recommended that patients have regular examinations to confirm the health status of their eyes in time; If you don't want to wear glasses, you can consider myopia surgery. At present, myopia surgery is very mature. It is recommended to choose a regular eye hospital, such as the National Clinical Key Eye Hospital.