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Close your eyes, breathe slow deep and rhythmically to relax muscle tension in your body Official Mermaid sassy since birth salty by choice shirt by tshirtat store, and imagine you are telling all the little muscles in your eye socket to fully relax. Use dark themes for your tools. A bright white screen is blasting your retina with photons, most of which don’t contain the information your brain needs to focus on. Light and colored text on a dark background make for your retina receiving the most intense photon flux for the stuff on the screen that your brain actually needs to process. Make your screen brightness as same as possible to your room ambiance. One way to test is to check, how much light is reflected on your face. If you’ve perfect brightness then there wouldn’t be any reflected light at all or very little is fine as well. Your eyes will not get tired, I promise. You may find it uncomfortable in the beginning but you’ll get used to it soon.