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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)
Fifty-nine children 1 to 24 months of age with congenital nasolacrimal duct obstruction (CNDO) were treated with local hydrostatic massage and antibiotic eye drops. Children 1 to 12 months of age showed a cure rate of 93.3%; only two of them underwent nasolacrimal probing. Children 13 to 24 months of age had a cure rate of 79.3%, and six underwent probing. The initial probings were successful in both age groups. Fifty-one children (86.4%) were thus spared nasolacrimal probing
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
The Association For Research in Vision and Ophthalmology (ARVO)