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 ...

Generally, the eye change colors available are blue, brown, green, gray, taupe, honey and sand. The Guardian reported that patients most often are changing their eyes from brown to a different ...

But they tend to fall into three main categories: brown, blue, and green. ‌ Brown eyes. Scientists have found that at one time, everyone had brown eyes. Today, they’re still the most common color.