Don't watch TV for more than 2 hours.
Watch TV for less than half an hour each time, and watch TV for less than 2 hours every day.
Don't be too close to the TV.
Don't be too close to the TV, but keep a proper distance. Watching TV at night is too dim, which is easy to cause visual fatigue. Indoor light should be close to the brightness of TV. Putting a small red light next to the TV can effectively protect your eyesight.
Vitamin a supplement
Children who often watch TV should properly supplement foods containing vitamin A, such as carrots, pork liver and eggs.
Don't watch the computer for more than 1 hour.
Watch the computer, tablet or mobile phone for no more than 20 minutes at a time. Students are in the stage of growth and development. If they surf the Internet for a long time, their eyes will be nearsighted, their spine will bend easily and their internal organs will be affected. Therefore, the daily online time should be controlled within 1 hour, and attention should be paid not to use electronic products in dark environment.
Do not read continuously for more than 1.5 hours.
Do not read for more than 1.5 hours. It is unrealistic to just play in summer vacation, and reading and writing are definitely indispensable. However, when reading and writing for half an hour, you should rest and relax your eyes. Do not read for more than 1.5 hours continuously, and relax your eyes from time to time, such as lying in bed with your eyes closed, doing eye exercises, and applying hot compress to your eyes with a damp and hot towel.
♂? Participate in outdoor activities
If possible, it is best to travel with children, not only for parents and children, but also to relax your eyes by overlooking the scenery. For children, it is also a good choice to participate in outdoor activities, such as swimming, playing ball games and running. Among them, playing table tennis is a good way to relax eye muscles, which is not only good for health, but also good for eyes.