Causes of dry eye syndrome in dogs:

1. Dogs are older, and older dogs are more likely to have insufficient tears.

2. Up to 30% of spontaneous dry eye syndromes are related to autoimmune damage to the tear gland and third eyelid.

3. Canine distemper virus can affect the lacrimal glands and third eyelid glands, resulting in temporary or permanent loss of tear secretion function.

Treatment methods for dry eye disease in dogs:

1. Choose immunosuppressive drugs, tear-producing drugs, anti-inflammatory drugs, and tear substitutes for dry eye disease treatment .

2. Artificial tears can be used for symptomatic treatment.

3. Drugs used to stimulate the eyes to produce tears. If dropped twice a day and used continuously, it can inhibit the dog’s autoimmune attack and destroy its own tissue cells and promote the lacrimal glands to secrete tears.