Help to your eyes
When you are travelling (in car, train and etc) - let the world to swim in front of you, do not "jump eyes" from one object to another and "cling to look."
When watching TV glance over the surface of the screen periodically, as if you are looking out the window and look at the screen glass.
Closing eyes for 3-5 seconds and easy fast twinkle are improving blood circulation.
It is useful to look at the flame of a burning candle - up to 15 minutes.
It would be good to get enough sleep!
You should take small breaks as often as possible when working at computer or with papers. During the pause you can do a little gymnastics for the eyes:
Each exercise is performed 5-10 times in each direction, 1-2 times a day
Thanks.