If you're reading this story, chances are you spend a lot of your time in front of a computer--up to 8 or more hours a day if you're like many office workers. That's a problem, because all that screen time is likely wreaking irreparable havoc on your overworked eyeballs, according to eye-health experts. Long hours in front of a computer screen can cause a number of unpleasant visual symptoms, including itchy or dry eyes, headaches, blurry vision, eye redness, or eye aches. Any one of those symptoms indicates significant eyestrain.To see more details visit,healthyliving.msn.com