Rest your eyes. If you spend long periods of time looking at your computer or focusing on one thing, it can be easy to forget to blink. This causes your eyes to fatigue. Reduce eye strain by looking away every 20 minutes for about twenty seconds. This can help your eyes.
When you are staring at a computer for long periods of time you blink less often. This can lead to eye fatigue. To combat it, remember the phrase 20-20-20. This means Every twenty minutes give your eyes a break by looking into the distance twenty feet away, for twenty seconds. It will refresh your eyes and prevent eye strain.