What causes tear duct blockage?

Causes of tear duct blockage include the following:

  • aging (most common cause)
  • infection (pink eye)
  • radiation
  • previous surgery near the tear duct and scarring
  • cancer on the tear duct
  • Taxotere and other chemotherapy agents
  • radioactive iodine treatment

Continue Learning about Eye Conditions

What Is Presbyopia?
What Is Presbyopia?
Presbyopia is a condition that affects a person's ability to see up close, and usually occurs around age 40. Learn more in this video featuring naturo...
Read More
What causes the whites of the eye to appear yellow?
Lee R. Duffner, MDLee R. Duffner, MD
The most common cause of a yellow cast to the whites of the eyes is thickening of the clear memb...
More Answers
How serious are cataracts, glaucoma, and macular degeneration?
Univ. of Nev. School of Medicine, Family MedicineUniv. of Nev. School of Medicine, Family Medicine
All of these conditions, if not properly addressed by an ophthalmologist, can lead to blindness....
More Answers
What Is the Gold Standard for Eye Care?
What Is the Gold Standard for Eye Care?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.