Effective methods to prevent myopia in children 1, eye exercises: When your eyes are uncomfortable, eye exercises are a good choice for you.
2, the posture is very heavy: cultivate their correct reading and writing posture, don't lie on the table or twist your body. Books and eyes should be square. The desks and chairs in the school should fit the students' figure.
3, light: writing and reading should have appropriate light, the light is best from the left. Don't read or write in too dark or too bright light, so as to reduce the burden on students, ensure the break 10 minutes and reduce visual fatigue.
4, eye time: reading and writing time should not be too long, after 30-45 minutes, close your eyes to rest or overlook, relax for 3-5 minutes. Do eye exercises. Nowadays, the distance between handheld devices and computers is similar to reading and writing, so we should also pay attention to the use time. )
6. Exercise: Actively carry out physical exercise to ensure that students have one hour of physical activity every day.
7. Playing badminton and table tennis can prevent myopia: In the process of playing, eyes must quickly follow the flexibility of badminton and table tennis? Small ball sports? Trajectory change is of unexpected benefit to the improvement of eyeball function of children aged 5 ~ 9.
Cherry tomatoes: Cherry tomatoes are vitamin warehouses. The content of vitamin A in cherry tomatoes is the best among fruits and vegetables. Cherry tomatoes are also rich in vitamin C and vitamin P, which can scavenge free radicals and have strong antioxidant capacity, thus protecting cells' deoxyribonucleic acid and avoiding gene mutation. At the same time, pectin in cherry tomatoes can increase skin elasticity, so eating it as a snack can not only beautify the face, but also protect the eyes.
9. Apple: What else? Mingmuguo? Good name, because it contains vitamin A and trace element selenium, which play a key role in vision. According to Indian scientists, normal retina contains 7 micrograms of selenium, while the selenium content of eagle eye is 100 times that of human, which shows that keen vision is related to selenium content; Some people can't see clearly at dusk because of vitamin A deficiency, which reduces the synthesis of rhodopsin. Therefore, eating some apples often can protect your eyesight.
10, Orange: The nutritional value of kumquat peel is amazing. 80% of vitamin C is stored in the peel, which can not only detoxify the liver, but also protect the eyes and immune system. The nutritional value is among the best among citrus fruits. Kumquat peel is thick and smooth, and there are many oil cells (that is, pressing will produce aromatic gas). In addition to eating fresh with skin, it is often used to make snacks such as candied fruit, drinks and fruit wine.