nasolacrimal duct obstruction catnasolacrimal duct obstruction cat

Chronic Inflammation: Previous bouts of feline herpesvirus or calicivirus can cause scarring within the narrow ducts, permanently sealing them shut.

NLDO in cats can be caused by various factors, including:

Management: In cases where the duct is permanently scarred or the facial shape prevents drainage, the focus shifts to management. This includes daily cleaning with veterinary-approved eye wipes to prevent skin infections and staining. When to See a Vet

The nasolacrimal duct system is responsible for draining tears from the eye into the nasal cavity. In cats, the system consists of the lacrimal sac, nasolacrimal duct, and nasal punctum. The lacrimal sac collects tears from the eye and sends them through the nasolacrimal duct, which opens into the nasal cavity.