OnLens

OnLens is the free app that makes managing your contact lenses simple and safe. Keep track of stock, wear time and expiry dates for daily, weekly and monthly lenses, all in one app. It works completely offline: your data never leaves your phone. CLEAR DASHBOARD - See at a glance how many lenses you have left, split by left and right eye - Statistics on your habits: sessions, average and total wear time - Chart of your wear over the last 7 days - Estimate of how many days your stock will last WEAR TIMER - Start the timer when you put your lenses in - Set your own daily hour limit - Get a notification before you go over it LENS LIFECYCLE - For weekly and monthly lenses, OnLens counts days used and days remaining - Always know when to throw them away, no math needed PER-EYE INVENTORY - Log your packs with power, manufacturing date and expiry - Separate stock for left and right eye - Alerts when lenses are running low or about to expire HISTORY AND REPORTS - Every action is saved in a searchable history - Export a PDF report of your usage PROFILE AND CUSTOMIZATION - Save your prescription for each eye - Light, dark or automatic theme - Available in English and Italian PRIVACY FIRST All data is stored only on your device. No account, no external servers, no tracking. OnLens is an organization and reminder tool. It is not a medical device and does not provide professional eye care advice. Always follow your eye care specialist's guidance and your lens manufacturer's instructions.