Epiphora, tear overflow, happens whenever we produce more tears than can drain normally through the tear ducts. Epiphora is normal and happens when we cry emotional tears. Epiphora that is chronic, due to reflexive tears or because drainage is insufficient, can be extremely uncomfortable. These tears, unlike emotional tears, are bothersome and can feel like acid when they touch the skin.
The goal of treatment is eliminating, or at least minimizing, epiphora, while retaining moisture in the eyes.