1. KEEP the top of the computer monitor an inch below your line of sight. That way your eye muscles don’t have to do the work of constantly contracting upward. 2. POSITION the monitor an arm’s length away from your body. Any closer and you’ll blink less (hello, dry eyes).3. LOOK 20 feet away for 20 seconds every 20 minutes to relax your eyes. 4. ILLUMINATE your workspace with a 60-watt bulb—it’s easier on your eyes than fluorescent light and reduces squinting. MORE: 10 Little Ways To Have Your Best Day Ever At Work