A 20-20-20 timer for developers.
If you write code for a living, your eyes do more work than almost any other profession. Tight monospace fonts, debugger inspection, focused concentration, and an unblinking stare at three monitors — the perfect storm for digital eye strain. EYE CARE is a free 20-20-20 timer that lives quietly in a browser tab and pulls you into a 20-second break every 20 minutes, no setup required.
Why developers need this more than most
- Sustained focus on small text at a fixed distance fatigues the ciliary muscle faster than reading prose at varied distances.
- Programming flow states routinely run 60–90 minutes without conscious breaks — the moment the build finishes you start the next task and forget about your eyes.
- Blink rate drops by ~60% during code review and debugging, drying out the tear film and producing the burning, gritty feeling many devs notice by 4 PM.
How to use it in a real dev workflow
Open eyecare.love in a pinned browser tab — Cmd-9 in Chrome, Cmd-1 in Arc. The timer runs in the background and chimes softly when a break is due. During the 20-second break, the screen takes over with a guided breath cue; look away from your monitor at the furthest object in your peripheral vision (the corner of the room, out a window). Pair it with Pomodoro if you already use one — they layer cleanly. The 20-20-20 rule covers your eyes; Pomodoro covers your attention.
What the rule will not fix
A 20-second glance away does not undo bad lighting, a glare-heavy monitor setup, or a desk that puts your screen 18 inches from your face. Treat the timer as one part of a broader visual-hygiene stack: warm screen temperature after sunset, ambient room light bright enough that the monitor is not the brightest object in the room, and an annual comprehensive eye exam. If you wear glasses with anti-reflective coatings, keep them clean.
Common questions
- Does the 20-20-20 rule actually work for software engineers?
- Yes, with caveats. Controlled studies show 20-second far-focus breaks measurably reduce subjective eye strain. The benefit comes from looking at something at least 20 feet away — glancing at the edge of your monitor does not trigger the ciliary-muscle relaxation. The EYE CARE timer overlays a full-screen break so you cannot cheat the protocol by reflex.
- Can I use this alongside Pomodoro?
- Yes. Pomodoro (25-min focus / 5-min break) and 20-20-20 (20-min focus / 20-sec eye break) layer cleanly. Use Pomodoro for attention management and 20-20-20 for eye care — they target different problems and the cadences do not conflict.
- Will it interrupt me during deploys or paired-programming sessions?
- You can press space to pause, or hit Reset. The timer is browser-local, no notifications outside the tab unless you explicitly grant permission during onboarding.
- Is it open source?
- Yes — the source for EYE CARE is on GitHub at github.com/syou6/eye-care-alert. Issues and PRs welcome, especially translations and persona pages for other professions.