Endoscopic dacryocystorhinostomy with short-term, pushed-type bicanalicular intubation vs. pulled-type monocanalicular intubation for primary acquired nasolacrimal duct obstruction
Dacryocystorhinostomy (DCR) has been a primary treatment for adults with nasolacrimal wacoal 36h duct obstruction, while the optimal approach and technique remain controversial.With the advancement of endoscopic DCR and the silicone stents, an update of the surgical outcomes and preferable approaches is required.This study aims at comparing the sur