You’ve probably heard that all people with blue eyes are related ... way are known as structural colors.” There are two ...

There are different types and causes of heterochromia – and it can be very ... The general rule is that the less melanin a person has, the lighter their eyes,' says Wingate. So, blue eyes have small ...

Someone with central heterochromia has different colors within the same eye. Complete heterochromia is when they have two different colored eyes ... Some types of heterochromia are common in ...

“Heterochromia is when a person’s irises are different ... There are three types of heterochromia. In a nutshell: The vast majority of people have just one color in their eyes (not counting ...

When you’re next staring deep into the eyes of ... you seeing blue. Green and hazel eyes are somewhere in the middle, with differing quantities of melanin resulting in different levels of ...

blue and green. This is thanks to three different types of light-sensitive proteins in our eyes, called opsins. We are not alone: di-, tri- and tetra-chromatic vision is de rigueur in the ...

There are different types of color blindness ... Humans have three types of light-sensing cones in the eyes: red, blue, and green. With color blindness, also known as color vision deficiency ...