Monocanalicular Stent Intubation: A surgical procedure where a small tube is placed in the nasolacrimal duct to keep it open and allow tears to drain properly. Dacryocystorhinostomy (DCR): A ...

A study found that the size of the bony nasolacrimal duct significantly correlates with the success of silicone intubation procedures for incomplete primary acquired nasolacrimal duct obstruction ...