Nasolacrimal Duct Cat -

When this "plumbing" gets blocked, tears have nowhere to go but out, leading to a condition called (overflowing tears). This isn't just a cosmetic issue; the constant moisture can lead to:

A primary cause, as the virus can cause scarring that permanently narrows or closes the duct.

Some kittens are born with imperforate puncta , meaning the opening to the tear duct never developed. Diagnosis and Professional Care Lacrimal Duct Obstruction in Cats | VCA Animal Hospitals nasolacrimal duct cat

The system begins at the lacrimal puncta, located on the palpebral conjunctiva near the medial canthus. The cat possesses both superior (upper) and inferior (lower) puncta, though the inferior punctum is clinically more significant for drainage. From the puncta, the canaliculi converge to form the lacrimal sac, which sits within the bony lacrimal fossa of the lacrimal bone.

If you suspect your cat is experiencing nasolacrimal duct issues, it's essential to consult with a veterinarian. They can perform diagnostic tests, such as: When this "plumbing" gets blocked, tears have nowhere

Obstructions can be present from birth or develop later in life due to health issues:

From the lacrimal sac, the duct enters the osseous canal formed by the lacrimal bone and maxilla. In the cat, this portion of the duct is relatively short compared to the dog. It traverses the rostral maxillary sinus. Diagnosis and Professional Care Lacrimal Duct Obstruction in

A closer look: Blocked Tear Ducts (Dacryocystitis) in Cats Partial or minor blockages are not a life threatening concern but can l... Vetster Nasolacrimal Duct Blockage - Thrive Pet Healthcare If a nasolacrimal duct blockage is diagnosed or suspected, a small blunt cannula may be inserted into the duct openings in the eye... Thrive Pet Healthcare 5 sites Lacrimal Duct Obstruction in Cats | VCA Animal Hospitals In cases of nasolacrimal duct obstruction caused by inflammation, anti-inflammatory medications and antibiotics may alleviate the ... VCA Animal Hospitals Computed tomography-anatomy of the normal feline nasolacrimal ... Jan 15, 2006 —

Reddish or dark brown stains on the fur beneath the eyes, caused by pigments in the tears.

The nasolacrimal duct in the cat is a sophisticated structure vulnerable to a variety of pathological processes, ranging from congenital malformations to foreign body-induced inflammation. The anatomical distinctiveness of the feline NLD—specifically its termination site—requires veterinarians to adapt diagnostic procedures commonly used in canines. Successful management of NLD pathology relies on a thorough understanding of the anatomy, appropriate use of flushing and imaging techniques, and targeted antimicrobial therapy when indicated.