Nasolacrimal duct obstruction(NLDO)
Also known as: Tränenkanalverstopfung · Tränen-Nasen-Kanal-Stenose · Nasolacrimal duct atresia · Imperforate lacrimal punctum · Epiphora
Overview
What it is
This condition involves a blockage or malformation of the nasolacrimal duct, which is the drainage tube that normally carries excess tears from the eyes into the nose. Because the tears cannot drain properly, they overflow onto the face. This affects the ocular (eye) system and can be congenital, meaning the dog is born with an incomplete or closed drainage opening.
How it presents
Owners will typically notice constant watery eyes, wet fur beneath the inner corners of the eyes, and reddish-brown tear staining. These signs are often visible in early puppyhood if the dog is born with the blockage, but they can also appear later in life.
Treatment
The condition is treatable, often resolved with a one-time flushing of the tear ducts under anesthesia or a minor surgical procedure to open a closed pathway. The typical cost for these procedures ranges from 150 to 1200 EUR.
How it's tested
ECVO Augenuntersuchung (DOK)(ECVO-DOK)
Primary testEye examAugenuntersuchung durch ECVO-zertifizierten Augentierarzt (Dortmunder Kreis). Erkennt PRA, Katarakt, Entropium, CEA, MPP, RD u.a.
Issuing body: ECVO
Result scheme: Eye-ECVO
Affected breeds
Treatment cost
Estimated range of typical treatment cost. Actual cost depends on severity, clinic and region.
Frequently asked
What is Nasolacrimal duct obstruction?
This condition involves a blockage or malformation of the nasolacrimal duct, which is the drainage tube that normally carries excess tears from the eyes into the nose. Because the tears cannot drain properly, they overflow onto the face. This affects the ocular (eye) system and can be congenital, meaning the dog is born with an incomplete or closed drainage opening.
How is Nasolacrimal duct obstruction tested?
Tests currently in our database: ECVO Augenuntersuchung (DOK).
Which breeds are most affected?
This condition isn't tied to a specific breed in our database.