What is Dacryocystorhinostomy (DCR) / Tear Duct Surgery?
DCR creates a drainage passage between the lacrimal sac and nasal cavity, bypassing an obstructed nasolacrimal duct; canaliculi remain a separate proximal pathway. DCR bypasses a sac or nasolacrimal-duct obstruction; it does not correct every cause of tearing, and external versus endoscopic access follows anatomy and expertise.
Read the complete Dacryocystorhinostomy (DCR) / Tear Duct Surgery treatment guide





