Get enough sleep.
Try to reduce the environmental triggers of your eye allergies; ask your doctor about eye allergy treatments.
Take frequent breaks from work: step away from your computer or work space at least once an hour.
For computer users: try placing the screen 20 – 26 inches away from your eyes and a little below eye level. Regularly clean dust and fingerprints from the screen, and consider using a glare filter over your screen.
Adjust the lighting in your office or room to find a level that is comfortable for you.
If you are engaged in close-up work, periodically focusing on a distant object can help your eyes relax.
Allow your eyes to rest after work.
Visit your eye doctor regularly to make sure your vision prescription is correct and your eyes are healthy.