In addition, before going to bed at night, don't turn off the lights to play with your mobile phone, otherwise you will find that when you lie down with the lights off and suddenly want to go to the toilet, you will find that your eyes become dark and even the road is unstable, because you used to play with your mobile phone in the dark, and your eyes have a certain brightness, which will lead to glaucoma, which is an irreversible eye disease, so don't turn off the lights to play with your mobile phone.
Secondly, don't play mobile phone when lying on your side. Playing mobile phones will cause the greatest pressure on the eyes, causing vision deviation between the left and right eyes, and the oppressed eyes will easily cause insufficient blood supply. After a long time, the eyes will feel swollen and there will be short-term image overlap. Don't play with your mobile phone on your stomach, it will affect the blood circulation of your elbow and brain, and may also cause inertia ischemia above the cervical vertebra. Moreover, prone posture is easy to cause fatigue and it is difficult for people to fall asleep.
Finally, it should be noted that playing mobile phones at close range for a long time will make the human ciliary muscles in a contracted state and work all the time, which may cause fatigue spasm. Pseudomyopia usually refers to the fatigue state of ciliary muscles. If this state continues, it will become true myopia. Therefore, when playing mobile phone, whether standing, sitting or lying down, it should be moderate and not take too long.