Equine Recurrent Uveitis: The Latest
Equine recurrent uveitis (ERU) is an incurable and painful eye condition that can result in vision loss and reduce affected horses’ function and value. The last time practitioners discussed this disease at the annual British Equine Veterinary Association Congress was in 2011, so Fernando Malalana, DVM, Dipl. ECEIM, FHEA, MRCVS, brought 2018 attendees up to speed on the latest ERU developments. The Congress took place Sept. 12-15 in Birmingham, U.K.
What Is It?
“ERU is a spontaneous disease characterized by recurring episodes of intraocular (within the eye) inflammation,” said Malalana, senior lecturer in equine internal medicine at the University of Liverpool Philip Leverhulme Equine Hospital, in the U.K.
Because of its recurrent nature and positive response to immunomodulatory drugs, researchers believe ERU is an autoimmune disease, he said. The repeated bouts of inflammation are caused by leukocytes (white blood cells) in the eye that become activated, initiating an immune
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