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 ...

Dry eye may happen when your eyes don’t make enough tears or tears evaporate too quickly, leading to discomfort and vision issues. The two main types of dry eye are evaporative (caused by oily layer ...

Medically reviewed by Michael Menna, DO Key Takeaways The iris is the colored part of the eye that helps control how much ...