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Related Experiment Video

Updated: Jul 2, 2026

Modeling Cataract Surgery in Mice
05:19

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Published on: December 1, 2023

Cataracts in birds.

I F Keymer1

  • 1Zoological Society of London, London, England.

Avian Pathology : Journal of the W.V.P.A
|January 1, 1977
PubMed
Summary
This summary is machine-generated.

Cataracts are rare in wild birds, affecting only 0.4% of birds examined. Senility was the primary cause, with congenital cataracts being exceptionally uncommon in these avian species.

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Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract
13:56

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Published on: November 28, 2012

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Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract
13:56

Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract

Published on: November 28, 2012

Area of Science:

  • Veterinary Ophthalmology
  • Avian Pathology
  • Wildlife Health

Background:

  • Cataracts are a common cause of vision impairment in various species.
  • Limited data exists on cataract prevalence in non-domesticated avian populations.

Purpose of the Study:

  • To determine the prevalence and potential causes of cataracts in a large sample of wild birds.
  • To identify avian orders with a higher predisposition to cataract formation.

Main Methods:

  • Necropsy records from 4287 non-domesticated birds were reviewed.
  • Presence and potential etiology of cataracts were documented.
  • Prevalence rates were calculated across different avian orders.

Main Results:

  • Cataracts were identified in 18 birds (0.4%) across 16 species and 7 orders.
  • Older birds represented the majority of affected individuals.
  • Falconiformes (2.3%) and Cuculiformes (2.25%) showed the highest prevalence; congenital cataracts were rare.

Conclusions:

  • Senility is the predominant factor associated with cataract development in wild birds.
  • Cataracts unrelated to age are infrequent in this surveyed avian population.
  • Further research may explore specific risk factors within susceptible orders.