When you cry, your eyes release more than just tears. Your tear glands constantly release a mixture of oils, fluids, and mucus that lubricates and protects your eyeballs. If your glands do not make ...

Your tears work to keep your eyes lubricated and protect them from irritants like dirt and dust. Tears are made up of three layers: a mucous, watery, and oily layer, each of which comes together from ...