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Eye Strain from Dual Monitors

Two screens means your eyes constantly shift focus between monitors. This timer reminds you every 20 minutes to reset with a 20-second eye break.

20:00
Start your work session
How does it work?
Every 20 minutes, look at something 20 feet away for 20 seconds
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About this timer: Eye Strain from Dual Monitors

Why do dual monitors cause more eye strain than one screen?

Each monitor sits at a slightly different angle and distance from your eyes. Your eye muscles constantly adjust as you shift between screens, which causes more fatigue than focusing on a single display. If your monitors aren't the same height, brightness, or color temperature, the mismatch forces additional visual processing that adds to the strain.

How should I set up dual monitors to reduce eye strain?

Place both monitors at the same height and at equal distance from your eyes. Match their brightness and color temperature settings. Angle them symmetrically so you turn your head — not just your eyes — to look at each one. Position the monitors so the inner edges meet directly in front of you, or put your primary monitor centered and the secondary one off to the side if you use one more than the other.

Is an ultrawide monitor better for eye strain than two separate monitors?

In most cases, yes. An ultrawide eliminates the gap and the brightness mismatch between two panels. Your eyes don't have to constantly re-adjust to different focal distances. If you're considering a switch, an ultrawide in the 34–38 inch range can replace most dual setups with less eye strain.

Do I need shorter break intervals with dual monitors?

The standard 20-20-20 rule is still the recommendation. But if you notice your eyes fatiguing faster than they would with a single monitor, you can reduce the work duration to 15 minutes in this timer's settings. The extra break frequency can make a real difference for dual-screen workflows.

20
Look 20 feet away
Let your eyes rest and refocus