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Equine recurrent uveitis (ERU) – also known as moon blindness, recurrent iridocyclitis, or periodic ophthalmia [1] – is an acute, nongranulomatous inflammation of the uveal tract of the eye, occurring commonly in horses of all breeds, worldwide. The causative factor is not known, but several pathogeneses have been suggested.
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.
The 26-year-old woman had been practicing horsemanship in Gold Beach, Oregon, which is a region where cattle farming is common. After a few weeks, her left eye started to feel irritated followed by a sensation of a foreign object. On the eighth day of her symptoms, she found and removed a small, translucent worm from her eye.
Equine recurrent uveitis (ERU) is the most common disease associated with Leptospira infection in horses in North America and may lead to blindness. [70] [71] ERU is an autoimmune disease involving antibodies against Leptospira proteins LruA and LruB cross-reacting with eye proteins. [70]
Pages in category "Horse diseases" The following 107 pages are in this category, out of 107 total. This list may not reflect recent changes. 0–9.
Equine viral arteritis (EVA) is a disease of horses caused by a virus of the species Alphaarterivirus equid, an RNA virus. [1] [2] It is the only species in the genus Alphaarterivirus, and that is the only genus in the Equarterivirinae subfamily. The virus which causes EVA was first isolated in 1953, but the disease has afflicted equine animals ...
The organism is commonly found in dry and dusty soil and can be important for diseases of domesticated animals (horses and goats). The frequency of infection can reach near 60%. [1] R. equi is an important pathogen causing pneumonia in foals. Since 2008, R. equi has been known to infect wild boar and domestic pigs. [2]
The symptoms of fungal keratitis typically emerge over 5-10 days and present with a painful eye, blurred vision, and redness of eye. [1] There is increased sensitivity to light, and excessive tears or discharge. [1] The symptoms are markedly less as compared to a similar bacterial ulcer. [1]