玩电脑的时候大脑都把注意力投入到屏幕上了，眼睛都不记得眨一下。而长期不眨眼眼睛就会很容易疲劳。-Play on the computer when the brain paying attention to all inputs to the screen, the eyes do not remember blink. Long-term will not blink eyes are easily fatigued.