You may find that our eyes may feel fatigue and painful after long time sitting in front of computers, especially if you are an office worker, and people always need to move forth and back in my chair to reduce the blitzed-out feeling, at this situation, eye protection is extremely important! I suggest you can try yellow lenses with aviator style sunglasses frame, you may feel wired to wear such lenses at office, but they are really helpful, as yellow lenses with aviator style eyeglasses will takes the edge off the bright white background of most websites and text editors, which is the source of some of the eye fatigue problem!