Advanced Eye Exercise Timer – Online 20‑20‑20 + Focus Shift
Alternates between near and far focus cues with timed breaks. Reduce digital eye strain.
UD5 Toolkit
Alternates between near and far focus cues with timed breaks. Reduce digital eye strain.
Timer that reminds you to look at something 20 feet away for 20 seconds every 20 minutes. Customizable intervals and subtle sound/visual alerts.