Some have blue or gray eyes at birth, which then change to their permanent eye color as pigment builds up. By 9 months , most babies have the eye color they will have for the rest of life.

Anthropologists use an official scale to classify people's eye colors from around the world. ... we have this gene-- how strongly it's turned on determines how much pigment cells in our eyes make.

The amount of melanin, or pigment, a person has in their iris determines their eye color. So, the more melanin you have, the darker your eyes appear. Globally, brown is the most common eye color. In ...

Eye color is polygenic—controlled by multiple genes—not monogenic. Most human populations have brown eyes, while blue and green eyes occur almost exclusively in people of European descent.

Blue eyes have the least amount of pigment of all eye colors. When babies are born, their eyes may sometimes appear blue early on, while their melanin is still forming. Their eye color may then ...

A trend that started in New York and is gaining popularity on social media has made its way to Florida: changing your eye color. Turning brown eyes blue or hazel eyes green can be as simple as putt… ...

They say the eyes are "the window to the soul" and there's certainly much to be told about the enigmatic complexity of their varied colors. Dr. Rupa Wong, a board-certified ophthalmologist who ...

This procedure changes your eye color by destroying the pigment, or color, cells in your iris. When they go away, brown eyes look blue. That’s because blue eyes don’t have any pigment.