Take Care of Your Eyes
Science-based tools to help you maintain healthy vision in the digital age.
Eye Strain Calculator
Calculate your digital eye strain level based on screen time and habits.
Try NowDry Eye Test (OSDI)
Clinically validated questionnaire to assess dry eye severity.
Take TestBlue Light Calculator
Estimate your daily blue light exposure from digital devices.
Calculate20-20-20 Timer
Follow the 20-20-20 rule to reduce eye strain while working.
Start TimerWhy Trust Our Tools?
Expert-Created
Developed by a board-certified Korean ophthalmologist with clinical experience.
Evidence-Based
All tools are based on peer-reviewed research and clinical guidelines.
Privacy-First
Your data stays on your device. We don't collect personal information.
Medical Disclaimer: These tools are for informational purposes only and are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your ophthalmologist or other qualified health provider with any questions you may have regarding a medical condition.