Staying long hours in front of a computer can lead to dire consequences. Computer screens emit a blue light that can mess with your sleepingpatterns, and it can also cause blur vision, headaches, or other eye problems. We are going to start with reducing computer eye strain. We have rounded up 8 free tools for you to try, see what fits you the best, and try to live a healthier life, even though you spend 24/7 in front of the computer.