The feline nasolacrimal system is a delicate but essential structure for maintaining ocular comfort and hygiene. Recognizing early signs of tearing or discharge allows for timely diagnosis, which typically involves simple, non-invasive procedures. For cat owners and veterinarians alike, understanding this small duct system can prevent chronic eye discomfort and facial skin dermatitis.
Tears are a sophisticated mix of water (from lacrimal glands), oil (from Meibomian glands), and mucus (from goblet cells). This cocktail keeps the eye surface moist and washes away dust.
Most cats with isolated tear duct obstruction have an excellent prognosis following flushing or minor surgery. However, chronic dacryocystitis or obstructions secondary to severe facial trauma or tumors carry a guarded prognosis. Brachycephalic breeds may require repeated treatments due to their inherently narrowed anatomy.
Colored discharge (clear is usually minor; suggests infection).