Best eye drops ever! I've tried them all (Systane Ultra, Refresh Tears, Clear Eyes, TheraTears, Visine, gel, silver, castor oil, homeopathic, you name it lol) but these get my swelling down and keep my eyes well lubricated. Great for people who drive (truckers, delivery, ridesharing, uber, lyft) or otherwise strain their eyes a lot. I've been using them for over a year now and they have worked wonders for me! I swear by them! They do sting for about 15 seconds when you first