Mar 06, 2018 · A leading cause of blocked tear ducts in adults is infection of the eyes, tear duct system, or nasal passages. An injury or trauma to the eye can also lead to a blocked tear duct.Author: James Roland. Jul 01, 2011 · Tear Duct Infection is a common eye infection that affects many children and also adults around the world every year. Read and know all about the causes, symptoms, diagnosis and treatment of Author: Hxbenefit Editorial Team.
Dacryocystorhinostomy is a type of surgery to bypass the blocked tear duct in adults who haven't gotten better with other treatments. It creates a new route for tears to drain from the eye. What Causes Infected Tear Ducts? In adults, infection sets in when the tear duct is blocked, sometimes as a result of the natural growth pattern of surrounding bones. Their growth may narrow the tear ducts, causing a blockage, which allows bacteria to collect and gradually grow.