blocked tear ducts, which cause tears to build up in
the eyes, may be caused by one or more conditions. They include:
Thickening of the tear duct lining. The tear
ducts may become narrow due to thickening, swelling, or inflammation of their
lining. This is called primary acquired nasolacrimal duct obstruction (PANDO)
and is most common in women over the age of 40.
An abnormal growth of tissue in the nose
nasal polyps), or tumors.
Excessive growth of nasal
Misshapen bone (
deviated septum) and/or cartilage (rubbery
tissue that coats the ends of bones) that divides the nostrils.
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