It's sight for some sore eyes. The procedure involves microscopic surgery.
Cataracts are a hardening of the lenses, which turn opaque and obscure vision.
Brightman has now performed the cataract surgery on four tigers. Brightman also has removed cataracts from an African lion and a mountain lion, as well as domestic pets including dogs and house cats. Cataract removal is the most common ocular surgery performed on dogs. Cataracts usually develop in animals when they are quite young, he said. Our best guess in T.C.'s case was that their formation was linked to nutrition.