1 Reading in good light, if strong sunlight shines through the window directly on the table, you should pull thin curtains when writing.
2 watch TV turn on the lights, people and TV distance to maintain more than 3 meters.
3 When using a computer, the screen is at a distance of 50 cm from the door.
4 When using the desk lamp, the lamp country is one foot away from the table (33 cm while turning on the indoor lighting.
5 When writing, the light should be shot from above.
6 Every time you read a writing job, it should not exceed 40 minutes. It should not be more than 30 minutes to watch a computer or TV.
7 Correct bad reading and writing habits, do not lie in the bed and read books on the bus and subway that are not shaking.
8 to ensure the right amount of outdoor activities, scientific research shows that outdoor activities are effective measures for prevention and control of myopia. When children start from kindergarten, they must ensure that they have proper outdoor activities every day. Outdoor activities for 2 hours a day or 10 hours a week can effectively reduce the incidence of myopia.
Protect the eyes and pay attention to supplement nutrition
Teenagers and other computer operators work too long in front of the screen, and the rhodopsin on the retina is consumed. The rhodopsin is mainly synthesized by vitamin A. Therefore, the diet should be supplemented with carrots, cabbage, bean sprouts, tofu, red dates, oranges and milk, eggs, animal liver, lean meat and other foods to supplement vitamin A and protein.