This is used to treat patients identified with lacrimal sac or nasolacrimal duct hindrance. This can be due to nasolacrimal duct chronic stenosis and can be genetic or acquired.
A rigid endoscope is introduced into the nasal cavity to the lacrimal sac area . The nasal mucous membrane is cut and detached, to permit making a window on the lacrimal sac. The lacrimal and maxilla bone portion is detached using burrs and forceps; an upright cut is made in the lacrimal sac . Silicone tubes are sometimes used to aid lasting patency.
- Usually unpleasant epiphora caused by lacrimal sac or nasolacrimal duct hindrance.
- Recurrent dacryocystitis with infected drainage from the canaliculi.
- Dacryolith or stone formation within the lacrimal system.
There is no external scar and offers enhanced result with endoscopic DCR. It permits a one stage method to fix any related nasal pathology that is causative.