lifestyle · Interactive tool
20-20-20 Eye Strain Timer
20-min screen → 20-sec rest auto-reminder
Interactive Tool
20-20-20 Eye Strain Timer
Every 20 minutes, look at something 20 feet (6m) away for 20 seconds. Reduces digital eye strain (AOA 2024).
Screen work
20:00
Next break in 20 min
Cycles completed: 0
Why 20-20-20?
After 20+ minutes of screen focus, the ciliary muscle that controls lens focus fatigues. Looking 20 feet away relaxes it. 20 seconds is the minimum recovery time validated for symptom reduction.
More tools