What is the 20-20-20 rule?

Every 20 minutes of screen work, look at something about 20 feet (6 metres) away for at least 20 seconds. It gives your focusing muscles a regular rest and is widely recommended to ease digital eye strain.

Is this 20-20-20 timer free?

Yes. It runs in your browser with no sign-up. Keep the tab open and press Start. For automatic reminders that work while you use other apps, try the EyeReset iOS app.

Does the 20-20-20 rule actually work?

Eye-care organizations recommend it as a simple way to reduce symptoms of digital eye strain. It eases discomfort — it is not a treatment for any eye disease.

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20-20-20 Eye Break Timer

Every 20 minutes, look 20 feet away for 20 seconds. Press start, keep this tab open, and let your eyes rest on schedule.

20:00Focus

Cycles completed: 0

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Reminders that follow you off this tab

A browser tab can only remind you while it's open. EyeReset runs the 20-20-20 rule and guided exercises on your iPhone — gentle reminders wherever you work.

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How the 20-20-20 rule works

Staring at a screen keeps your eyes focused at one close distance for long stretches, which tires the focusing muscles and reduces how often you blink. The 20-20-20 rule breaks that up: every 20 minutes, look at something about 20 feet away for at least 20 seconds. It relaxes your focus and prompts a few full blinks. Read the full guide →

FAQ

What is the 20-20-20 rule?: Every 20 minutes of screen work, look at something about 20 feet (6 metres) away for at least 20 seconds. It gives your focusing muscles a regular rest and is widely recommended to ease digital eye strain.
Is this 20-20-20 timer free?: Yes. It runs in your browser with no sign-up. Keep the tab open and press Start. For automatic reminders that work while you use other apps, try the EyeReset iOS app.
Does the 20-20-20 rule actually work?: Eye-care organizations recommend it as a simple way to reduce symptoms of digital eye strain. It eases discomfort — it is not a treatment for any eye disease.