What is nasolacrimal duct obstruction?
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Johns Hopkins Medicine answered:Nasolacrimal duct obstruction is a condition caused by obstruction of the tear ducts, causing them to drain improperly. Symptoms of this condition include constant and severe tearing, and recurrent eye and tear duct infections (called dacryocystitis).
Nasolacrimal duct obstruction is a condition caused by obstruction of the tear ducts, causing them to drain improperly. Symptoms of this condition include constant and severe tearing, and recurrent eye and tear duct infections (called... More

