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Clinical notes
Epiphora
Iddi Ndyabawe
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Epiphora is characterized by excessive tearing due to either overproduction of tears from ocular irritation or a blockage in the tear drainage system. It affects patients of all ages, with a bimodal distribution in infancy and late adulthood. In infants, it often signifies a blocked tear duct, while in adults, dry eye is a common culprit. The pathophysiology involves disruptions in tear production, lubrication, blinking mechanics, or the nasolacrimal drainage pathway, including congenital obstructions and acquired narrowing.
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