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Sudden acquired retinal degeneration syndrome (SARDS) is a disease in dogs causing sudden blindness. It can occur in any breed, but female dogs may be predisposed. [ 1 ] Approximately 4000 cases are seen in the United States annually.
Progressive retinal atrophy (PRA) is a group of genetic diseases seen in certain breeds of dogs and, more rarely, cats. Similar to retinitis pigmentosa in humans, [ 1 ] it is characterized by the bilateral degeneration of the retina , causing progressive vision loss culminating in blindness.
A major risk factor for AIR is a history of cancer, especially in paraneoplastic autoimmune retinopathy, where the autoimmune response is triggered by cancerous cells and cancer treatments. Cancer-associated retinopathy is commonly linked with cancers such as lung cancer and breast cancer, which trigger an autoimmune response due to malignant ...
CAR is suspected in cancer patients who present with unexplained visual loss, scotomas and an abnormal ERG. [6] Antiretinal antibodies can be detected using Western blot test, immunohistochemistry test or ELISA testing. But the diagnosis is challenging as the signs and symptoms overlaps with many other diseases affecting the retina. [7]
Retinal detachment occurs with complete retinal dysplasia, and is accompanied by blindness in that eye. Cataracts or glaucoma can also occur secondary to retinal dysplasia. Other causes of retinal dysplasia in dogs include infection with canine adenovirus or canine herpesvirus , or radiation of the eye in newborns.
Caitlyn the dog passed away Sunday after being diagnosed with cancer 10 years after making national headlines for a horrific animal abuse case. Nearly a decade ago, Caitlyn the dog endured cruelty ...