After looking at the screen for a long time, the eyes will hurt, generally there are two main reasons for this situation: first, eye fatigue caused by the excessive use of electronic devices, the use of electronic devices will be too much blue light into the eye, blue light is the key factor leading to eye fatigue, especially the use of close, the eyes will also have to adjust the phenomenon of tension or adjustment spasm, the two add up to visual The phenomenon of fatigue will be very obvious, and produce the feeling of eye pain. The second aspect is that the prolonged use of electronic devices can cause the phenomenon of dry eye, dry eye is the instability of the tear film on the surface of the eye, which may be caused by too little secretion of tears or poor quality, dry eye will make the cornea more sensitive, plus the number of blinks will be reduced when looking at the screen, which will make the eyes feel very uncomfortable and cause a certain stinging sensation. So this condition can generally be treated with artificial tear drops instead, and gradually reduce the use of electronic devices, the symptoms of eye pain will gradually be relieved.