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Chronic superficial keratitis (CSK), also known as pannus or Uberreiter's disease, is an inflammatory condition of the cornea in dogs, particularly seen in the German Shepherd. Both eyes are usually affected. The corneas gradually become pigmented and infiltrated by blood vessels, and the dog may eventually become blind.
Chronic superficial keratitis (pannus) is a form of superficial keratitis, or inflammation of the cornea, found most commonly in German Shepherds, Greyhounds, and Siberian Huskies. [63] Collie eye anomaly (CEA) is a congenital, inherited, bilateral eye disease of dogs involving the retina, choroid, and sclera. It can be a mild disease or cause ...
Pannus is an abnormal layer of fibrovascular tissue or granulation tissue. Common sites for pannus formation include over the cornea, over a joint surface (as seen in rheumatoid arthritis), or on a prosthetic heart valve. [1] Pannus may grow in a tumor-like fashion, as in joints where it may erode articular cartilage and bone.
These breeds include Rottweilers, German Shepherds, Old English Sheepdogs, Doberman Pinchers, Dachshunds, and German Shorthaired Pointers. [citation needed] However, the exact prevalence of this disease in dogs is currently unknown, as it is likely under-reported. [2]
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
Keratitis is a condition in which the eye's cornea, the clear dome on the front surface of the eye, becomes inflamed. [1] The condition is often marked by moderate to intense pain and usually involves any of the following symptoms: pain, impaired eyesight, photophobia (light sensitivity), red eye and a 'gritty' sensation. [2]
Confirmed genetic diseases diagnosed in Dutch Shepherds include allergies (atopy), masticatory myositis, pannus, cryptorchidism and inflammatory bowel disease. Within the rough-haired variety care should be taken to screen for goniodysplasia before breeding.
Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. [2] The infection causes a roughening of the inner surface of the eyelids. [2] This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness. [2]