Equis ISSN 2398-2977

Cataract: hereditary

Contributor(s): Graham Munroe

Incidence

  • Inherited cataracts appear to be rare in the horse - it is likely that they are under-reported.
  • The type of cataract varies with each particular incidence.
  • They may occur as a sole defect or in association with other congenital defects.
  • May be evident at birth or appear several months later.

  • Etiology
  • Mode of transmission often thought to be dominant inheritance - rarely confirmed.

Clinical signs

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Diagnosis

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Treatment

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Control

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Prognosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource
  • Joyce J R et al (1990) Iridial hypoplasia (aniridia) accompanied by limbic dermoids and cataracts in a group of related Quarterhorses. Equine Vet J (suppl) 10, 26-28 PubMed.
  • Beech J et al (1984) Congenital nuclear cataracts in the Morgan horse. JAVMA 184 (11), 1363-1365 PubMed.

Other sources of information

  • Lavach J O (1990) Lens. In: Large Animal Ophthalmology. Mosby, USA.
  • Slatter D (1990) Lens. In: Fundamentals of Veterinary Ophthalmology. W B Saunders, USA. pp 365.
  • Eriksson K (1955) Hereditary aniridia with secondary cataract in horses. In: Nordic Veterinary Medicine. pp 773-793.


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