In contradistinction to lenticular sclerosis,
a cataract is an apparent opacity within the
lens that will not allow the passage of light.
Many false concepts have occurred due
to the misleading name of the condition.
Cataracts can be classifi ed according to
types. In general, most authorities agree on
the following chronological classifi cations:

A) Congenital – born with.
B) Juvenile – occurring in a young dog under
fi ve years of age.
C) Senile – occurring in an older dog over fi ve
years of age.

The cause of canine cataracts – whether
hereditary or acquired – may be infl uenced
by many factors including the effects of
infl ammations, toxins, metabolic defects,
trauma, radiation, and many more.

The videos in this article explain more about
this all too common problem which tends to
affect older dogs as well as the treatment, via
surgery, of a canine cataract.
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