The eyes are an important visual organ of the human body, so we must pay attention to the care of the eyes, you can achieve the purpose of myopia prevention through the following tips: First, try to increase the time spent outdoors, can effectively prevent the occurrence of refractive error, which is currently recognized as the most effective way to prevent myopia. Second, reading books, TV, computers or cell phones, try not to use your eyes for more than half an hour in a row, and rest for about 10 minutes every half hour. Third, the farther away from the fluorescent screen, the better, generally watching TV, the best reading distance in more than 4m. Fourth, when reading or writing sitting posture must be correct, write homework to maintain a distance of 35-40cm, do not lie down to read, and do not read in a rocking car. Fifth, the indoor light should be appropriate, neither too bright, nor too dark. As long as you do the above points, general myopia is very difficult to occur.