What are the consequences of untreated lacrimal passage obstruction?

The common cause of lacrimal passage blockage is due to inflammation infection, easy to appear pus phenomenon. If the human body immunity is low, it is easy to lead to corneal ulceration, even eye inflammation and other serious consequences, and after lacrimal passage blockage, it is easy to lead to lacrimal sac abscess, even lacrimal sac fistula, may damage the lacrimal passage function.