The prevalence of uveitis in a population of donkeys in the UK

Equine Veterinary Journal
Claire BradleyPhilip G Sansom

Abstract

Uveitis is a leading cause of blindness in horses. Little work has been undertaken to investigate whether donkeys are affected by a similar disease prevalence. To investigate the disease prevalence of uveitis in a population of donkeys in the UK. Descriptive observational study. An ophthalmic examination was performed on each donkey, in a darkened stable. Each donkey underwent slit lamp biomicroscopy, and direct and/or indirect ophthalmoscopy. Fluorescein staining, STT1 and IOPs were measured when deemed clinically necessary. Pharmacological pupillary dilation was achieved using 1% tropicamide. A total of 207 donkeys were examined-139 male (67.1%), and 68 female (32.9%). Age range was 2-37 years (median 17 years, inter-quartile range 9-25 years). Three donkeys (1.5%) were blind in one eye, and one was monocular at the time of examination. Signs consistent with either previous or current uveitis were identified in 8 eyes of 6 animals (2.9%). Clinical signs included: miosis (n=1), corpora nigra atrophy (n=6), anterior lens capsule pigment (n=2), cataract (n=8), posterior synechiae (n=3), lens subluxation (n=1), vitreal changes (n=2), peripapillary scarring (n=3), and phthisis bulbi (n=1). Significant ocular pathology precluded fu...Continue Reading

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Citations

Aug 7, 2021·Equine Veterinary Journal·Karen Rickards, Ramiro E Toribio

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