Life Why birds' eyes can be blue, green, pink or orange. Among birds, eyes come in all sorts of colours – and it seems that this helps them compete for mating opportunities and intimidate rivals ...

People with blue eyes have brown pigment underneath their iris and blue eyes tend to be more sensitive to light, the doctor says in the post. The ophthalmologist also said that not all babies are ...

Researchers behind a recent study claim to have discovered a new color that the natural, naked eye cannot perceive — 'olo,' a hyper-saturated blue-green that occurs when a single kind of cone ...

Green and hazel eyes are somewhere in the middle, ... Blue eyes have the least amount of pigment of all eye colors. When babies are born, their eyes may sometimes appear blue early on, ...