Heterochromia is a variation in iris pigmentation that causes the eyes to have different colors (odd eyes), either between the two eyes or within the same iris. This phenomenon is due to an uneven ...

A new surgical procedure to permanently change eye color is gaining traction in the U.S. But many ophthalmologists fear ...

Look at those peepers! Joseph, a white Scottish Fold cat from Saint Petersburg, Russia, couldn't be more endearing with his different-colored eyes — one yellow and one pale blue. Evgenii Petrov ...