Functional Epiphora Management Via Different Dacryocystorhinostomy (DCR) Techniques

The resistance of the lacrimal drainage is lowered by creating a new ostium between the lacrimal sac and nasal cavity via skin incision.

The resistance of the lacrimal drainage is lowered by creating a new ostium between the lacrimal sac and nasal cavity via endonasal route.

The resistance of the lacrimal drainage is lowered by creating a new ostium between the lacrimal sac and nasal cavity via transcanalicular route.