During this time, there was a girl in Shenzhen who didn't focus on seeing a doctor because her eyes were uncomfortable. Finally, the doctor diagnosed the girl as acute same-sex esotropia, because the girl lay playing with her mobile phone for a long time and sometimes stayed up late, which was harmful to her eyes over time. Playing mobile phone in the middle of the night is very harmful to eyes, because the light of mobile phone is still dazzling, which will also cause great harm to eyes, and eyes are prone to adverse reactions. Nowadays, mobile phones are a necessity for many people. Before going to bed, the first thing to wake up is to look at your mobile phone. I am looking at my mobile phone on my way to work and when I go to the toilet. It is not a good thing to look at my mobile phone for a long time. During this time, a girl in Shenzhen had a problem with her eyes because she often lay down and watched her mobile phone. Now her eyes are out of focus. According to the doctor's diagnosis, the girl has acute eyes. It's more dangerous to lie down and play with your mobile phone. Many people stay up late to watch their mobile phones without turning on the lights, so the lights of the mobile phones are also dazzling, which is very harmful to your eyes. Looking at the mobile phone often like this will also lead to red blood in the eyes, and the degree of the eyes will increase. In the long run, it will also lead to eye problems. Therefore, you must reduce the time spent playing mobile phones at night. If you must play with your mobile phone, you should also open a nightlight to avoid playing directly in the dark and reduce the damage to your eyes. Playing mobile phone for a long time is not good for eyes, and it is also very harmful to eyes. You must avoid this situation. You can read more books at ordinary times, go out for a walk more, reduce the time of playing mobile phones, and don't play mobile phones all the time at night. Only in this way can we protect our eyes and avoid eye problems.