It is common for people getting dry eyes after staring at the computer or smart phone screens for a long time. If you want to protect your eyes and reduce the chances of your eyes get dry, you can follow the following methods.
The first is blink. The reason why you get dry eyes while using computer is that you eye blinks less when staring at the screens. So try blink your eyes now and then, you can keep your eyes wet. Another important method is taking rest. You should have a rest very one hour; you can look out your window and try to focus some thing in a long distance for about ten minutes. It will help relax your eye muscles. What's more, you can set your screen's brightness. Don't make your screen too bright.