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A blocked tear duct is a partial or complete blockage in the pathway that carries tears from the surface of the eye into the nose. Alternative Names: Dacryostenosis; Blocked nasolacrimal duct; Nasolacrimal duct obstruction (NLDO).
Approximately 4% of all children will be born with a blocked tear duct in Canada.
Many cases cannot be prevented. Proper treatment of nasal infections and conjunctivitis may reduce the risk of having a blocked tear duct. Using protective eyewear may help prevent a blockage caused by injury.
A blocked tear duct is a partial or complete blockage in the pathway that carries tears from the surface of the eye into the nose. Alternative Names: Dacryostenosis; Blocked nasolacrimal duct; Nasolacrimal duct obstruction (NLDO).
