Many causes of epiphora are unrelated to anatomical problems in the nasolacrimal drainage apparatus. Problems in the upper lacrimal system have often been under-recognized as a cause of epiphora.
Irrigation fluid is forced into the periorbital tissue if the lacrimal sac is ruptured and the affected eye will protrude further from the face and appear exophthalmic. Fortunately, over a short ...
One can divide lacrimal drainage system tests into functional ... This encompasses reflex tearing caused by inflammation and dry eye; and Nasal disease (3.7%): This includes: allergic rhinitis ...