People with green or hazel eyes have light brown pigment in their eyes. As babies are exposed to sunlight, those specialized cells—the melanocytes—become more active, producing more melanin ...

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it.

A person’s eye color depends on how much of a pigment called melanin is stored in the front layers of the iris, the structure surrounding the pupil. Specialized cells called melanocytes produce the ...

They say the eyes are "the window to the soul" and there's certainly much to be told about the enigmatic complexity of their varied colors. Dr. Rupa Wong, a board-certified ophthalmologist who owns ...

While your eyes bring the world your way, the origins of eye color are fascinating and even mysterious.

Several genetic markers contribute to our final eye color shade. A baby born with blue eyes can have brown eyes by their 1st birthday.