Title: The Value of Endoscopic Dacryocystorhinostomy in Management of Acquired Nasolacrimal Duct Obstruction
Abstract: The epiphora is the most common manifestation of obstruction of the nasolacrimal duct, which is treated by dacryocystorhinostomy either by external or internal endoscopic endonasal approach. With the advance of the nasal endoscope, the endoscopic dacryocystorhinostomy became well established.