Learn about cataracts in dogs and cats. Dr. Douglas Esson, who is board certified in veterinaryÃÂ ophthalmology, talks about what a cataract is, what problems can be associated with them, and what treatment options are available. This information isÃÂ notÃÂ meant toÃÂ replace the adviceÃÂ of your regularÃÂ veterinarian.