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Retinal detachment in horses: 40 cases (1998-2005)
Brian W Strobel1, David A Wilkie, Brian C Gilger
1Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606, USA.
Veterinary Ophthalmology
|November 1, 2007
Summary
Retinal detachment (RD) in horses has a poor visual prognosis, with most cases caused by equine recurrent uveitis (ERU). However, some horses can maintain a comfortable, blind eye with anti-inflammatory treatment.
Area of Science:
- Veterinary Ophthalmology
- Equine Medicine
Background:
- Retinal detachment (RD) is a serious ocular condition in horses.
- Equine recurrent uveitis (ERU) and trauma are common causes of RD.
Purpose of the Study:
- To investigate the clinical features, causes, treatments, and outcomes of horses diagnosed with retinal detachment.
- To assess the visual prognosis and comfort levels in horses with RD.
Main Methods:
- Retrospective study of 40 horses diagnosed with RD at veterinary teaching hospitals.
- Data collected included signalment, clinical signs, ophthalmic findings, etiology, treatment, and outcome.
- Diagnosis confirmed by ophthalmic examination or ultrasonography.
Main Results:
- RD affected 46 eyes in 40 horses, with bullous RD being the only type observed.
- Equine recurrent uveitis (ERU) caused 67.5% of RD cases, while trauma caused 25%.
- No horses regained vision; many eyes were enucleated, but seven with complete RD remained comfortable with medical therapy.
Conclusions:
- The visual prognosis for horses with retinal detachment is grave.
- Horses with non-traumatic RD, often linked to ERU, may maintain a comfortable but blind globe with anti-inflammatory medical therapy.
