Mobile phones can be said to be an indispensable part of modern people's lives. Many people like to lie in bed before going to bed and play with mobile phones before falling asleep.

However, dim lighting, wrong posture can cause serious damage to our eyes and spine. Lying on the side of the mobile phone in dim light for a long time will cause great pressure on theSide of the eye next to the pillow. It is easy to have a series of symptoms such as dry eye syndrome and vision loss.