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The equine fundus. III: Pathological variants

A G Matthews1, S M Crispin, J Parker

  • 1Department of Veterinary Surgery, University of Bristol.

Equine Veterinary Journal. Supplement
|September 1, 1990
PubMed
Summary
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This study details equine fundus abnormalities, distinguishing normal variants from pathological conditions affecting vision. The peripapillary butterfly lesion is not linked to equine recurrent uveitis without other signs.

Area of Science:

  • Ophthalmology
  • Veterinary Medicine
  • Equine Science

Background:

  • Routine equine ophthalmoscopy reveals diverse fundus variants.
  • These variants range from normal anatomical variations to pathological changes impacting vision.
  • Understanding these differences is crucial for accurate diagnosis and prognosis.

Purpose of the Study:

  • To illustrate the ophthalmoscopic appearance of pathological fundus variants in horses.
  • To discuss the potential effects of these abnormalities on equine vision.
  • To clarify the association between the peripapillary butterfly lesion and other ocular conditions.

Main Methods:

  • Ophthalmoscopic examination of horses.
  • Illustration and description of pathological fundus variants.

Related Experiment Videos

  • Discussion of clinical significance and potential visual deficits.

    • Main Results:

    • Identified and described various pathological ophthalmoscopic findings.
    • Highlighted the peripapillary 'butterfly lesion' as a specific finding.
    • Demonstrated that this lesion, in isolation, is not indicative of equine recurrent uveitis.

    Conclusions:

    • Distinguishing normal from pathological fundus variants is key in equine ophthalmology.
    • The peripapillary butterfly lesion can occur with other posterior segment diseases but is not inherently linked to equine recurrent uveitis.
    • Further investigation is needed for a comprehensive understanding of all pathological variants and their visual impact.