Advances in cosmetic surgery let people permanently change their eye color, and they’ll pay thousands for a new hue. Doctors disagree on whether it’s safe.

Catster says kittens born with two different eye colors is somewhat uncommon, but not exactly rare. The medical term is heterochromia and means there's melanin in only one eye with the irises two ...

The color of cat's eyes can change depending on where you are in the world, making it useful to know what local color codes stand for so you can avoid any surprises. Read more: Every Popular ...