A. Scientific eye use 1. Ensuring sufficient sleep time is an important factor in eliminating eye fatigue. 2. Pay attention to the correct posture when reading and writing, and don’t look at books or cell phones when walking or riding in a car. 3.Don’t use your eyes for a long time, take a 10-minute break every 50 minutes or so. 4, eat less sweets, too much sugar intake in the body’s blood environment is acidic, affecting the toughness of the eyeball wall, prompting the elongation of the eye axis, leading to the occurrence and development of myopia. 5. Avoid partial diet, which can lead to insufficient intake of vitamins, trace elements and macronutrients and affect development. Establish refractive development files and regular testing Experts recommend that a comprehensive optometric examination and refractive development files be done once a year starting from the age of 3 to 6. After the child is 3 years old, parents should take the child to a professional eye hospital once or twice a year for a comprehensive optometric examination, including the refractive error, the length of the eye axis, and the curvature of the cornea, to see if the child belongs to the high-risk myopic group, and to reasonably intervene in the occurrence and development of myopia through the testing over the years. Research shows that children who spend a total of 3 hours outdoors daily have a myopia rate of 0.8%; children who spend 1 hour outdoors have a myopia rate of 3%; and children who spend only half an hour outdoors daily have a myopia rate of 24%. The exposure of children’s eyes and bodies to sunlight during outdoor activities can encourage the body to secrete more dopamine, which effectively inhibits the growth of the eyeballs and thus the occurrence and development of myopia.