A blocked tear duct is a partial or complete blockage in the pathway that carries tears away from the surface of the eye into the nose.
Dacryostenosis; Blocked nasolacrimal duct; Nasolacrimal duct obstruction (NLDO)
Tears are constantly being made to help protect the surface of your eye. They drain into a tear duct through a very small opening in the corner of your eye, near your nose. This opening is called the nasolacrimal duct. If...
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Source: Harvard Decision Guide
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Source: ADAM Encyclopedia
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Source: Harvard Decision Guide
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Source: HealthCentral Encyclopedia
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Source: Harvard Decision Guide
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