Wong told Newsweek: "In addition, what gives blue and green eyes their color is not actually blue or green pigment but the ...

In humans, phenotypically, eye color falls into one of these basic categories -brown, blue or green. Brown eyes are the most common (due to their dominant nature), followed by blue and then green.

Also called photophobia, light sensitivity is more common in green, blue, and light grey eyes because these irises lack the ...