Eyes are the sensory organs of vision. The very first thing that we notice about someone’s eyes is the color of the eyes. Eyes attain a color when the iris gets pigmented by melanin. Melanin is ...

Medically reviewed by Andrew Greenberg, MD Eye color genetics is complex, with multiple genes from each parent determining a person's eye color. Scientists once believed a single gene controlled ...

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

Discover how your eye color genetically determines pain sensitivity, why dark eyes handle pain better, and what this means for you.

Genetics add another layer to the process, determining how much melanin an individual’s iris will produce. But, unlike simple inheritance patterns, eye color isn’t determined by a single gene.

Researchers have identified 50 new genes for eye color in a study involving the genetic analysis of almost 195,000 people across Europe and Asia.

Clinical and epidemiological data have always pointed to eye cancer being more common among those individuals with light eye coloration and fair skin—however, the genetic mechanisms underlying ...

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.