NCIt related terms : Excessive Tear Production; Watering Eyes;
NCIt definition : Excessive tearing of the eyes due to either tear overproduction or impaired drainage
of the tear ducts. Causes of tear overproduction include eye irritation (e.g., eye
infection, foreign body in the eye), headache, pain reaction, allergies, sinusitis,
and injury to the eye.;
Alternative definition : FDA: Profuse lacrimation.; NICHD: Overflow of tears from the eye.; CTCAE: A disorder of excessive tearing in the eyes; it can be caused by overproduction
of tears or impaired drainage of the tear duct.;