If a tear duct becomes blocked, tears build up and irritate the eyes. This irritation causes painful swelling, makes the eyes appear continuously watery, and increases the risk of infection.

Tiny passages called tear ducts run down the sides of your nose and drain tears from your eyes. These tubes can get blocked in any part of the duct. It can happen for different reasons ...

If you have a blocked tear duct, there are ways to get relief. Treatments can widen or bypass a blocked tear duct to help tears drain normally out of your eye again. Opening up the ducts often ...

human stem cell-derived organoids that model the tear duct (also known as the lacrimal gland). These lacrimal gland organoids exhibit organization and branching patterns characteristic of those ...

Nothing to cry about: The development of tear duct organoids. ScienceDaily . Retrieved May 27, 2025 from www.sciencedaily.com / releases / 2022 / 05 / 220502120453.htm ...