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Cataracts is an eye condition which results in the development of cloudy areas within the eye lens. The condition can develop as a result of viral diseases (such as avian encephalomyelitis), genetics, old age, or from nutrition deficiencies (vitamin A or E). Since the lens in a healthy duck's eye is clear like a camera lens, light has no problem passing through the lens to the back of the eye to the retina where images are processed. When a cataract is present, the light cannot get through the lens as easily and, as a result, vision is impaired, often resulting in blindness.


Cloudy eye(s)


  • History
  • Clinical signs
  • Eye exam


MethodMethod Summary
Supportive care