What is the most common disease associated with cataract formation in dogs?
Diabetes is the most common systemic disease associated with cataract formation in the dog. One study suggests that the majority of dogs with diabetes will develop cataracts within 5-6 months from the time of diagnosis, and that 80% of dogs will develop cataracts within 16 months. Diabetic cataracts primarily affect dogs and are rarely observed in cats. It has been proposed that the incidence of cataracts in diabetic dogs is high because many of the patients have significant hyperglycemia despite insulin therapy. Cataract surgery is recommended to permanently remove cataracts, return vision and typically has a 90-95% success rate. If surgery is not pursued, topical anti-inflammatory treatment will likely be needed long-term to reduce lens-induced inflammation.
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