Nowadays, children are generally under a lot of pressure to study. They have to study at school during the day, attend tutorial classes at night, and participate in various extracurricular classes on weekends, such as piano, calligraphy, painting, etc. They seriously lack outdoor activities and exercise. In addition, electronic products are becoming more and more popular, computers, TVs, iphones, iPads, etc. have become children’s playmates after studying, so excessive use of eyes can be imagined. As a result, many children become myopic at a young age, and low-degree ones become high-degree ones, causing parents a lot of distress. In general, when teenagers start out, most of them have “pseudomyopia”, which is a functional myopia caused by excessive eye stress. If not corrected and treated in time, it will develop into true myopia over time. So what should parents do to prevent it? Children who are prone to myopia can be the focus of prevention. 1. reading distance and posture Reading distance and posture are important factors affecting the onset and progression of myopia. The correct reading distance should be at least 750px from the front of the book to sit and read. Reading while walking, reading in a car, reading in bed and reading on a table are all bad reading habits. In addition to avoid choosing too small a font, printing unclear books; TV screen height should be slightly lower than the eyes flat 15 degrees, do not lie down or lying down to watch TV, and watch the TV distance to be appropriate, generally the TV diagonal distance of more than 3-5 times. Middle and elementary school students are in the developmental stage of the eye, the adjustment ability is particularly strong, the stretch of the eye wall is also relatively large, bad reading posture or too close to the reading distance will increase the eye burden, eventually leading to longer eye axis, myopia deepening. 2, reading time Avoid prolonged close eye use, reading time should not exceed 40 minutes, rest interval can be between 5 to 10 minutes, rest should go outdoors to walk, look into the distance. Actively participate in outdoor activities, such as weekend hiking, gardening, etc. Participate in more ball activities, such as table tennis, badminton, basketball, etc., because the eye will look far and near with the ball movement during ball activities, which can increase the exercise of extraocular muscles. 3, lighting conditions Lighting does not meet the requirements, light is too strong or too weak dim is also a major factor in the progress of myopia. The lighting in the home should be 60W incandescent lamp, placed in the upper left corner of the table, so as to ensure sufficient lighting intensity and to get the appropriate light angle. School lighting should also be installed according to the size of the classroom and classroom lighting conditions appropriate lighting equipment, light should not be too dark or too strong. 4, enhance physical fitness, adequate sleep life should be regular, early to bed and early to rise, children to maintain a daily 8-9 hours of sleep; balanced nutrition, not picky, partial food; participate in physical exercise, outdoor activities, etc., to maintain physical and mental health, enhance physical fitness for myopia control is also very useful. 5, appropriate eye care massage Eye care exercises have become a routine measure for the prevention of myopia in adolescents, on time and carefully complete eye care exercises are not only conducive to the prevention of myopia in children, but also to relieve the symptoms of visual fatigue after long hours of eye use. Some targeted acupressure points can also relieve eye fatigue symptoms. However, there are no credible studies evaluating the scientific validity, effectiveness and safety of some of the acupressure methods currently on the market for the treatment of myopia. From a medical point of view and the pathogenesis of myopia, “true” myopia is difficult to reverse, it is difficult to change the eye habits, the use of drugs or eye health massage to make the enlarged eyeball shrink back. Two, myopia prevention methods