Watery Eye Symptoms
Symptom Checker: Symptoms & Signs Index
Medical Author: William C. Shiel Jr., MD, FACP, FACR
Tearing is a normal function of the eye. Excessive tearing can be a sign of an underlying health conditions or disease. The tears of the of 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. The moisture from tears on the front of the eye, the cornea, is important to avoid damage of the cornea. The tears drain from the eye through the tear ducts (lacrimal ducts). If the tear ducts become blocked, tears can well up in the eye and fall excessively.
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Fauci, Anthony S., et al. Harrison's Principles of Internal Medicine. 17th ed. United States: McGraw-Hill Professional, 2008.
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