---
title: What is endoscopic dacryocystorhinostomy?
description: "Endoscopic dacryocystorhinostomy (endoscopic DCR) is a tear duct bypass operation performed from inside the nose using an endoscope. It avoids an external skin incision while creating a new drainage channel from the lacrimal sac into the nasal cavity. ## How…"
url: "https://bluefinvision.com/knowledge-base/topics/treatments-procedures/what-is-endoscopic-dacryocystorhinostomy/"
updated: "2025-12-11"
category: "Treatments & Procedures"
---

# What is endoscopic dacryocystorhinostomy?

Endoscopic dacryocystorhinostomy (endoscopic DCR) is a tear duct bypass operation performed from inside the nose using an endoscope. It avoids an external skin incision while creating a new drainage channel from the lacrimal sac into the nasal cavity.

## How endoscopic DCR is performed

Using a nasal endoscope, instruments open a window in the bone next to the lacrimal sac and fashion a new passage into the nose. Silicone tubes are often left temporarily to keep the route open while healing occurs.

- Usually done under general anaesthetic in theatre
- Can relieve troublesome watering and recurrent dacryocystitis
- Nasal sprays and rinses support healing after surgery
- Endoscopic checks may be arranged to ensure the opening remains patent

## Further information

This technique is part of advanced lacrimal surgery within [oculoplastic surgery](https://bluefinvision.com/oculoplastic-surgery/) at Blue Fin Vision®. Options for managing blocked tear ducts are discussed in [epiphora treatment in north west London](https://bluefinvision.com/blog/best-epiphora-treatment-in-north-west-london/).