Eyes are not just windows to the soul—they're kaleidoscopes of human diversity. From deep brown to icy grey, eye colours span ...

Blue and grey eyes, on the other hand, only have dark brown pigment on the back layer of the eye. The stroma has no pigment, but it does have small particles suspended in it. These particles give ...

Gray eyes: Gray eyes are pretty rare themselves, with only around 3% of the world's population sporting them. Gray-eyed people have similar levels of melanin as blue-eyed people.

There are no hard and fast rules, but a baby's eye color can change over the first few months to a year or more. Newborns sometimes have blue or slate-gray eyes, for example, that gradually turn ...