眼睛疲劳

If the eyes are severely strained, they become bloodshot.

如果眼睛过于疲劳就会充血。

Also some liquid crystal displays depend on, demonstrated body itself which the modulation outside light realizes nonluminous, does not stimulate the eye, is not easy to be weary and so on the merit.

还有液晶显示靠调制外界光来实现的，显示体本身发光，刺激眼睛，易疲劳等优点。