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ENTROPION
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Entropion is primarily an inherited
condition. The upper or lower eyelid turns inward, rubbing against the
eye due to an excess of eyelid tissue, or a small eye, or both. Most affected dogs exhibit eye irritation. Frequently, corneal
scratches can result. Occasionally the condition is
self-correcting as the puppy grows, but in the vast majority of
affect dogs, surgery is necessary to turn the eyelid away from
the surface of the eye. |
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PROGRESSIVE RETINAL
ATROPHY (PRA)
| PRA, a form of hereditary blindness, was once a serious problem in
Irish setters. A DNA test, however, is now available through Optigen
to determine which Irish setters are PRA carriers and which are not. In
Irish setters, PRA is a simple recessive and can therefore be eliminated
from breeding programs by breeding known non-carriers to known
non-carriers. |
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