Mar 06, · 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 Author: James Roland. Jan 14, · For older adults, the abnormal narrowing of the tear drainage system is a common cause of a blocked tear duct. However, there are many other possible causes of a blocked tear duct.
Oct 27, · Blocked Tear Duct in Adult Tear ducts are small channels in the visual apparatus (or eyes) that serves to drain excess tears into the nose. But sometimes these tubes get blocked and thereby affect the tear drainage functions significantly. Blocked tear ducts in adults are usually caused by infection, inflammation, tumor or injury. The best treatment will depend on the cause of the blockage. Is This an Emergency? If you are experiencing serious medical symptoms, seek emergency treatment immediately.