Exactly how is a person's eye color determined? It depends on the amount, type and distribution of melanin, or pigment, in ...

The amount and type of color pigment in the iris defines eye color. In humans, phenotypically, eye color falls into one of these basic categories - brown, blue or green .

An eye-color surgery called keratopigmentation is gaining attention online, but experts aren't convinced it's safe.

Go ahead and enjoy gazing into those baby blues (or greens, or browns …), but keep in mind that your newborn's eye color may not be permanent! There are no hard and fast rules, but a baby's eye ...