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Blocked tear duct

  • Alternative Names

    Dacryostenosis; Blocked nasolacrimal duct; Nasolacrimal duct obstruction (NLDO)


    Prevention

    Many cases cannot be prevented. Properly treating nasal infections and conjunctivitis may reduce the risk. Safety measures may reduce the risk of trauma that can cause a blockage.


    References

    Olitsky SE, Hug D, Smith LP. Disorders of the lacrimal system. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 624.