Eye Rest Timer OnlineFree eye rest timer based on the 20-20-20 rule. Take a 20-second eye break every 20 minutes to reduce digital eye strain and prevent eye fatigue.Frequently asked questionsWhat is the 20-20-20 rule and how does the eye rest timer help?The 20-20-20 rule: every 20 minutes of screen time, look at an object 20 feet away for 20 seconds. This relaxes the ciliary muscle in your eye, which stays contracted during near-focus work. The timer automates the reminder so you don't have to remember to look up.Does the 20-20-20 rule actually reduce eye strain?Yes — clinical research and optometrist guidelines support the 20-20-20 rule as effective for reducing digital eye strain symptoms: dryness, headaches, blurred vision, and difficulty refocusing. Consistent compliance (using a timer) reduces symptoms by 50–70% in regular screen users.How far is "20 feet" in practical terms for an office?20 feet (6 meters) is roughly the length of most office rooms. Look out a window (ideal), at a far wall, down a hallway, or at a tree outside. The exact distance is less important than looking at something your eyes can fully relax their focus on — something far enough that near-focus isn't required.Should I fully close my eyes during the 20-second eye break?Closing eyes is optional — the benefit comes from relaxing the focal length, not from darkness. However, closing eyes and blinking rapidly for 20 seconds lubricates the eye surface, which is equally beneficial if you have dry eyes from reduced blinking during screen work.Is the eye rest timer enough to prevent eye damage from screens?Screens don't cause permanent eye damage — the concern is eye strain from sustained near-focus, not retinal damage from blue light. The 20-20-20 timer addresses the main cause of discomfort. Additionally: adjust screen brightness to match ambient light, and position your screen 20–28 inches from your face.