Hazy blue eyes in dogs may be caused by a variety of reasons, some of which may include: 1. Blue eye disease: This is a common eye disease in dogs that usually appears in It is more common in dog breeds such as Border Collies, Huskies, and Labradors, especially among young dogs. Blue eye disease is caused by a structural abnormality in the dog's eye, resulting in a lack of normal cell density in the corneal epithelium. The blue film is caused by a lack of cell density in the corneal epithelium, causing the blue iris to reflect off the inside of the eyeball. This disease usually does not have a significant impact on your dog's vision, but prompt treatment is required to avoid worsening of the disease.

2. Infectious hepatitis: This is an acute septicemia in dogs caused by canine adenovirus type I infectious disease. The main clinical symptoms are hepatitis and blue eye disease symptoms. The obvious symptom of blue eye disease is that the cornea is cloudy and appears light blue, but the pathology causing this symptom is canine infectious hepatitis. Blue eye disease often occurs during the recovery period of canine infectious hepatitis. The symptoms are that the eyes appear light blue, and the dog's vision will be blurred, and in severe cases, it may even lead to blindness.