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A blocked tear duct occurs when the drainage pathway from the eye to the nose is partially or fully obstructed. Tears overflow onto the cheek, and recurrent redness or discharge can occur from poor drainage. In infants, the duct may open spontaneously during the first year. In adults, scarring, stones, or inflammation are common causes.
read more about blocked tear duct ...In newborns, a thin membrane at the duct opening often persists temporarily. In older patients, chronic sinus disease, trauma, nasal surgery, or tumors can narrow the system. Age related tissue changes and inflammation also play roles. Exam and irrigation testing localize the blockage.
Tears travel through small puncta on the eyelids into narrow canaliculi that connect to the nasolacrimal sac. Any obstruction along this route can cause tearing, discharge, or recurrent eye infections.
You should see your eye doctor if you notice sudden or persistent changes in your vision such as blurriness, flashes of light, floaters, or eye pain. Redness, swelling, or discharge that does not improve with basic care also warrants a checkup. Even if symptoms seem mild, getting a professional evaluation can help detect problems early and prevent complications. Regular eye exams are also important to monitor your overall eye health and keep your vision clear.
Infant cases usually respond to lacrimal sac massage and observation; probing may be needed if tearing persists. Adults benefit from addressing infections, using lubricants, and, when appropriate, a surgical bypass called dacryocystorhinostomy. Stents can keep the passage open during healing. Tailored care restores comfort and drainage.
Localized pain, swelling near the inner corner, fever, and pus indicate dacryocystitis and require urgent antibiotics and sometimes drainage. Avoid pressing on an acutely infected sac. Once infection settles, definitive repair prevents recurrence. Early treatment protects the surface.
Yes, allergies can cause reflex tearing and mimic blockage. Allergy control often reduces overflow. Your clinician will distinguish between poor drainage and excess tear production. Accurate diagnosis ensures the right fix.
Will the duct reopen on its own? Often in infants; less likely in adults.
Is surgery painful? Procedures are typically well tolerated with local or general anesthesia.
Can both sides be affected? Yes, especially with systemic or age related causes.
“Blocked tear duct.” MedlinePlus Medical Encyclopedia. https://medlineplus.gov/ency/article/001019.htm. Published Jul 16, 2024.
“Blocked Tear Duct.” American Association for Pediatric Ophthalmology and Strabismus (AAPOS). https://aapos.org/glossary/blocked-tear-duct. Published Nov 7, 2024.
“Blocked Tear Duct Treatment.” American Academy of Ophthalmology (AAO). https://www.aao.org/eye-health/treatments/blocked-tear-duct-treatment. Published Oct 14, 2015.
“Dacryostenosis.” MSD Manuals Consumer Version. https://www.msdmanuals.com/home/eye-disorders/tear-duct-and-lacrimal-gland-disorders/dacryostenosis. Published Feb 2024.
“Nasolacrimal Duct Obstruction.” StatPearls. NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK532873/. Published Aug 8, 2023.