long-term stress. It is commonly found in elevated levels in the blood under very stressful conditions. Patients in burn-rehab hospitals have high levels of cortisol, as do those who are clinically depressed. It is the main substance you and your nervous system: How stress affects your body Continued on page two
Symptoms & Signs. Tearing is a normal function of the eye. Excessive tearing, or teary eyes that are not from normal crying, can be a sign of an underlying health condition or disease. The tears of the eye come from the tear gland, called the lacrimal gland, which is located above the outer eye. Tears are composed of water, oil, and antibodies.
Tear glands and tear ducts. Dry eyes are caused by a lack of adequate tears. Your tears are a complex mixture of water, fatty oils and mucus. This mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection.For some people, the cause of dry eyes is decreased tear production.For others it's increased tear evaporation and an imbalance in the makeup of your tears.his mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection. For some people, the cause of dry eyes is decreased tear production. For others it's increased tear evaporation and an imbalance in the makeup of your tears.