what causes tear duct infection
Some of the main causes of Tear Duct Infection are. 1  Bacterial infection of the tear duct. 2  Nasal Polyps or any other obstruction near the nose. 3  Nasal or Sinus Infection (Particularly Chronic Nasal Infection)  Injury to the 1  eye. Infection of the eye, such as Conjunctivitis (Pink Eye Infection)  Fracture of the facial or nasal bones.