Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
A blocked tear duct is diagnosed based on a medical history and a physical exam. Additional tests may be used to measure tear production, to see whether tears are draining normally from the eyes into the nose to determine where a blockage is located, or to help determine the cause of the blockage.
