welcome to disease section for dry eyes 

Your eyes are full of tears when you cry. When you are happy, your eyes are still full of tears. In fact, tears are important to maintain the health of your eyes. Tears are a mixture of water, oil, mucus, and antibodies. Water keeps your eyes moist. Oils help in lubrication. Mucus is responsible for a proper distribution of the moisture and lubrication. . . .+