UC Davis Veterinary Genetics Laboratory (VGL) Researchers Identify New Genetic Region Linked to Insidious Uveitis, A Blinding Eye Disease in Appaloosa Horses by Liza Gershony October 17, 2025 Research A new collaborative study led by Dr. Rebecca Bellone, Director of the UC Davis VGL and a leading expert in equine genomics, has identified a second genetic region associated with insidious uveitis in Appaloosa horses.