I use disposable contact lenses for everyday use and don't want to constantly use re-wetting drops as boric acid and other chemicals spoil my eyes burn. So I took that and a few large bottles of regular saline, filled up a few and kept in my purse to use throughout the day. Works great and my eyes are happy. Be careful, the small droppers are in a separate small pouch inside the larger pouch, so don't throw them away until everything is open!
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