2, reading time should not be too long, every 40 ~ 50 minutes, should rest 10 ~ 15 minutes, close your eyes or look at the distance for a few minutes, to prevent excessive eye fatigue.
3. Correcting unreasonable eye habits, such as walking in the car, reading books, etc., will make the eyes excessively tired and reduce the acuity of vision.
4. Pay attention to the "three ones" when reading and writing, that is, the eyes are one foot away from the book, the chest is punched from the table, and the hand is one inch away from the pen tip.
5. watch TV moderately. The distance between the eyes and the screen is five times the diagonal of the TV set, so the viewing time should not be too long. Generally, you have to watch for 45 minutes and rest 10 minutes.
6. Controlling the running time of video games and computers is five times as harmful as TV.
7. Eat more fruits, vegetables, beans and animal livers.
8. Eat less snacks and sweets.
1, sleep well;
2. Avoid eye fatigue;
3. Eat more food that is good for your eyes;
4, regular inspection, timely correction.
For students, homework in strong sunlight should be avoided during the day; When working at night, keep a room with two light sources: a desk lamp (about 60 watts) on the left hand side, and the other is a ceiling lamp. Desktop can't reflect light.
Food to help protect your eyes.
The first category: foods containing more vitamin A.
Vitamin A has two major effects on human eyes: one is to keep the cornea normal and prevent corneal dryness and degeneration; The second is to enhance the ability to see things in the dark. Animal foods are rich in vitamin A, such as sheep liver, chicken liver, pig liver and milk.
The second category: foods with more carotene.
It is generally found in plant foods, especially in fruits and vegetables containing yellow pigments and orange pigments. Carrots, yellow corn, pumpkins, green vegetables, green beans, tomatoes and apricots. Because carotene in plants can only be absorbed by human body with the help of fat, it is best to cook it in oil or add some sesame oil when it is cold.