Conjunctivitis is a common eye disease, and the condition is relatively not serious, so many owners do not pay enough attention to it. But things are not as trivial as they seem to us. If left unchecked for a long time and the condition worsens, it is likely to affect the dog's vision. In the most serious case, it may even cause the dog to become blind. Therefore, if the dog has corresponding symptoms, it is necessary to promptly do so. Regular inspection and care should be carried out, and attention should be paid to the care of the dog’s eyes. So what causes conjunctivitis in dogs?

Boston Terrier

Factors causing conjunctivitis:

The conjunctiva covers the inner layer of the eyelids and extends to the periphery of the cornea. It is a thin layer of semi-permeable mucous membrane. The conjunctiva contains rich capillaries, sensory nerve endings and lymphocytes, so it is very sensitive. There are many reasons for dogs to suffer from conjunctivitis. Trauma or mechanical damage to the eyelids and conjunctiva, eye irritation such as foreign bodies, trichiasis, chemicals, bath liquids, disinfectants, etc. may cause conjunctivitis in dogs. inflammation. Not only that, conjunctivitis can also cause infection due to some diseases, such as canine distemper.