Again, here are a few over the counter that you can test out. Regular store bought salt can be used but natural sea salt is even considerably better. Other tests are usually needed locate whether an important illness certainly is the cause of the dry eyes. http://[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@Silvia.Woodw