Medically reviewed by Johnstone M. Kim, MD A coloboma is a missing piece of tissue in a person's eye. It is a congenital ...

Any animal’s eye color is determined by its levels of two melanin pigments: eumelanin, which makes brown-black, and ...

There’s something captivating about cats with blue eyes, but something equally remarkable about the complex genetics behind ...

The Village Voice review of "Companion," Drew Hancock’s tale of a murderous robotic love doll, finds the film pushes too many wrong buttons.