625 Tears

Does everyone knows that washing your eyes with tap water is not good for the eyes? It feels refreshing and we think it as similarly healthy as gargling or washing mouth. It isn't. It's simply because our eyes are protected by tears that is ultra-functional and perfectly designed to fit the purpose. Tap water is not good because it even could harm the work of tears. I know we are always controlled, managed and protected by thousands of great function of body and it'd be greater if we learn more about and master them. In that way, possibly we could be an ideally balanced being.