Take a 5-minute break every hour or two to reduce eyestrain. (Recommended by the National Institute of Occupational Safely and Health (NIOSH). If necessary, use a software program to remind you to take a break.

Blink more often. When staring at a computer, people blink about five times less frequently than normal according to some studies. Blinking lubricates the eyes. If you don't blink, tears that normally coat the eye evaporate causing dry eyes. Dry air in the computer room can aggravate this condition.

Every fifteen minutes, focus on distant objects to relax your muscles.

Use special computer lenses.

If your eyes are dry, use eye drops to moisten them.

Try vitamin supplements. Flax seed oil has been reported to improve dry eyes. Lutein is being touted as important for good eye health.