The 20-20-20 rule is a simple guideline to reduce eye strain from digital screens. Every 20 minutes, take a 20-second break to look at something 20 feet away. This helps relax the focusing muscles in your eyes and reduce digital eye strain.

The timer helps you follow the 20-20-20 rule automatically. Set your work duration (typically 20 minutes), start the timer, and focus on your work. When the timer goes off, take a break to look at something distant for the specified break duration (typically 20 seconds).

Prolonged screen time can cause digital eye strain, also known as Computer Vision Syndrome. Symptoms include dry eyes, blurred vision, headaches, and neck pain. The 20-20-20 rule helps prevent these symptoms by giving your eyes regular rest periods.

Yes! While the default follows the 20-20-20 rule (20 minutes work, 20 seconds break), you can customize both work and break durations in the settings to fit your personal needs and work style.

Look at something at least 20 feet away (about 6 meters). This could be out a window, across a large room, or down a long hallway. The key is to focus on something distant to relax your eye muscles.