20-20-20 Rule: Eye Strain Relief

Ergonomic 20-20-20 eye strain reminder with intelligent active-time tracking, full-screen breaks, and per-site exclusion toggles.

Protect your eyes, prevent digital eye strain, and boost your daily focus with the official 20-20-20 Rule eye wellness assistant. Staring at digital screens for prolonged periods causes Computer Vision Syndrome (CVS), leading to dry eyes, blurred vision, headaches, and eye muscle fatigue. The scientifically proven 20-20-20 ergonomic rule provides the ideal routine to reset your eye focusing muscles and restore natural moisture. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🌿 HOW THE 20-20-20 RULE WORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Every 20 Minutes: Pause your screen work. • Look 20 Feet Away: Focus on an object or out a window at least 20 feet (6 meters) away. • For 20 Seconds: Give your ciliary eye muscles the exact time needed to fully relax and encourage natural blinking. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✨ POWERFUL FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⏱️ INTELLIGENT ACTIVE TIME TRACKING • Tracks only when you are actively using Google Chrome. • Automatically pauses when your computer is locked, idle, or when the browser is minimized. 🧘 ISOLATED FULL-SCREEN RELAXATION OVERLAY • Soothing, dark glassmorphic screen takeover that gently prompts you to rest your eyes. • Smooth circular 20-second countdown timer. • Curated micro-ergonomic tips (slow blinking, eye rolls, distance defocusing). • Isolated Shadow DOM architecture — zero styling conflicts with any website. 🚫 PER-SITE EXCLUSION & SMART TOGGLES • Prevent interruptions during video playback, live streams, conference calls, or on custom websites. • Quick 1-click toggle in the popup to enable or disable reminders for the current domain. 🔔 PURE ACOUSTIC AUDIO CHIMES (WEB AUDIO API) • Relaxing 528 Hz singing bowl start chime and harmonic triad completion chime synthesized in real-time. • Configurable volume slider and mute toggle. 📊 DAILY EYE HEALTH ANALYTICS & STREAKS • Track daily breaks completed and total eye relaxation time. • Build healthy screen habits with consecutive day streaks. 💤 SNOOZE & CUSTOM CONTROLS • Need 5 more minutes to finish an email? Hit the 5-Minute Snooze button. • "Take Break Now" button whenever your eyes feel tired. • Pause/Resume master switch. 🖥️ WORKSTATION ERGONOMIC GUIDE & SELF-AUDIT • Built-in ergonomics checklist: Screen distance (20–26 inches), eye-level alignment, monitor tilt, ambient lighting matching, and glare reduction. 🔒 100% PRIVATE & OFFLINE • No analytics tracking, no external server calls, no account required. • All settings and stats stay securely in your local browser storage. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💡 SPECIAL ACKNOWLEDGEMENTS & CREDITS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Special thanks to Arpana Paudel and Bihani Thapa Magar for originating the core idea, concept, and creative inspiration behind this extension. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🏢 DEVELOPER & SUPPORT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Developed by Bytesphere Solutions Pvt. Ltd. Website: https://bytesphere.com.np Support: https://bytesphere.com.np Email: info@bytesphere.com.np