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What is Congenital Nasolacrimal Duct Obstruction?

April 26, 2017congenital duct nasolacrimal obstruction

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What is Congenital Nasolacrimal Duct Obstruction?

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Tears normally drain through small openings in the corners of the upper and lower eyelids called puncta and enter the nose through the nasolacrimal duct. Tear duct obstruction prevents tears from draining through this system normally.