How should children protect their eyes when they go to class online every day?

1. Try to reduce the time spent watching the electronic screen. Generally, the online class lasts for 4 minutes. After class, it is best not to keep staring at the screen, let alone watch mobile phones or TV. You should get up and walk around, and you can overlook the scenery on the balcony, or close your eyes and do eye exercises in front of the table to give your eyes a short rest.

2. cast a screen to watch the online class video. If possible, you can watch the video of the online class on the screen. Watching it on the big screen will help to relieve the fatigue of your eyes. If it is projected on the wall, it will also help to avoid the irritation and damage caused by electronic blue light to your eyes.

3. Develop good eye habits. Urge children to develop a good habit of using their eyes, don't read and write too close to textbooks, play in balconies, windows and other well-lit places during breaks, and be careful not to read or play with mobile phones while lying down.

4, diet conditioning. At home, parents should prepare adequate nutrition for their children. protein, vitamin A, vitamin C, vitamin B1, vitamin B2, calcium, phosphorus and other nutrients are indispensable. It is recommended to have a balanced diet and eat fish, meat, eggs, milk, fruits and vegetables in moderation every day.