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Using the app

Eye breaks and the 20-20-20 rhythm

Staring at a fixed distance for hours is what leaves your eyes dry and tired. ScreenGuardian's eye-break reminders keep a simple rhythm going so your focus gets a rest before the strain builds. For the science behind it, see the 20-20-20 rule, explained.

The rhythm

The 20-20-20 pattern is: every 20 minutes, look at something about 20 feet away for 20 seconds. That brief shift lets your focusing muscles relax and reminds you to blink. ScreenGuardian keeps the timer and prompts you when a break is due, so you do not have to watch the clock.

Why it pauses when you step away

A break reminder only makes sense when you are actually at the screen. ScreenGuardian holds the timer when you are away or on a call, so you do not come back to a stack of missed reminders or get nudged to "rest your eyes" moments after a real break. The rhythm restarts when you settle back in.

What a break looks like

When a break is due, a short reminder appears. Look away from the screen, out a window or across the room, for a slow count of twenty, then carry on. It is a few seconds, not an interruption to your work.

Fitting it into a workday

  • Let the reminders run in the background while you work; you do not need the window in front.
  • Pair eye breaks with a quick posture reset so one pause covers both, see posture feedback.
  • In back-to-back meetings, the pause when you are on a call keeps reminders from piling up.

Common questions

Can I turn eye-break reminders off?

Yes. Eye breaks are one of several checks, and you can enable or disable them in settings independently of posture and distance.

Do I have to find something exactly 20 feet away?

No. The distance is a guide, not a measurement; anything far across the room or outside works. The point is to shift your focus far away and blink for a few seconds.