FocusBreak is a free 20-20-20 eye rest timer built for anyone logging long hours in front of a screen — remote workers, developers, gamers, students. Every 20 minutes, a gentle reminder tells you to look 20 feet away for 20 seconds. Recommended by optometrists to help prevent digital eye strain, computer vision syndrome, dry eyes, blurry vision, and headaches caused by screen fatigue. No download. No account. No ads. Just open it and let it run.