What should children use in online classes?

1. Parents are advised to choose tools with large screens as much as possible. According to the actual situation at home, TV is better than computer, computer is better than tablet, and tablet is better than mobile phone, which can better protect children's eye health.

2. It is recommended that friends who have projectors at home use projectors to give online classes to their children. It is not recommended to let children take online classes with mobile phones. It is necessary to use the screen projection function of the mobile phone to project on the TV to take online classes, which can better ensure the learning effect of children's online classes.

3. Ensure that the child's eyes are at least 40cm away from the computer. During the epidemic, friends who use TV to give online lessons to their children should ensure that the distance between their eyes and the TV is more than three times the diagonal of the TV screen. Can better protect children's eye health.

4. Parents are advised to adjust the lighting according to the actual situation at home to avoid letting children use their eyes for a long time in the dark or strong light. Too dark and strong light can easily make children's eyes tired, which can better protect their eyes. Healthy.