近视的发生原因很多,如身体衰弱,贫血、营养不良、长期过度疲劳,不合理使用眼力等,都可以发生近视。 近视与长期近距离作业有密切关系。如文书、修养、绘画、雕刻等人员,患近视的就比较多。学生中,中学生比小学生多,大学生比中学生多。高度近视有一定的遗传因素,但主要是生活习惯的影响和未及早采取 Myopia occurs for many reasons, such as the body weakness, anemia, malnutrition, long-term fatigue, irrational use of eyesight, can occur myopia. Myopia and close long-term homework are closely related. Such as instruments, training, painting, sculpture and other personnel, suffering from myopia is more. Among the students, there are more middle school students than primary students and more college students than middle school students. High myopia has some genetic factors, but mainly the impact of lifestyle and not taken early