Myopia prevention methods may be known, but it is difficult to say whether you can do it, specifically as follows: 1, pay attention to the time spent with the eyes, such as reading, writing homework or desk work can not exceed 40 minutes, generally 20 minutes with the eyes to rest 20 seconds, watch TV or computer time as far as possible not more than 1 hour; 2, pay attention to the incidence of myopia in children, to maintain the diet, sleep routine is very critical; 3 In the past two years, we have advocated outdoor activities, bathing in the sun for 2 hours, that is, every day outdoor activities try to ensure that more than 2 hours, not necessarily a continuous 2 hours, can be intermittent, but also after school or walking home from work, as long as the normal outdoor daylight rays, not direct sunlight, as long as there is sunlight, activities under the shade of trees, can have a very good preventive effect on eye myopia; 4, look at things Time, near the desk work for a long time, you can do a proper chest expansion exercise, bite, eye exercises, can be a good prevention of myopia, relaxation fatigue.