Blue eyes are relatively rare globally, with approximately 8% to 10% of the world's population and 27% of the U.S. population ...

Blue eyes (and other lighter colors that indicate less melanin) absorb less light. Whatever light does get in through your ...

Green eyes, even more rare than blue, marks a reduced level of melanin, thought not as reduced as blue eyes. It only takes a miniscule change to shift from brown to blue.

Blue eyes (and other lighter colors that indicate less melanin) absorb less light. Whatever light does get in through your pupil is scattered by collagen fibers, which make the eyes look blue.

People with blue or green eyes have less melanin, while people with brown or hazel eyes have more, per Medline Plus. According to the Michigan Eye Institute, some eye conditions can also cause a ...

On average, people with blue eyes may develop visually significant cataracts 3-5 years earlier than those with the darkest brown eyes. The protective effect of melanin again explains this connection.

Green irises (the rarest eye color) have less melanin than brown eyes but more than blue eyes, for instance. “Brown is on one end, blue on the other, and hazel and green are in between,” Dr ...

When a baby is born with blue eyes that later turn green, hazel, or brown, it’s to do with how much melanin develops in a part of the eye called the iris. A lot of melanin will make brown eyes ...

The amount of melanin in green irises is somewhere between blue eyes and brown eyes. This amount is the least common you can have. Experts don’t have a reason for why exactly that’s the case ...

People with blue eyes, for example, have no melanin in the front part of their iris, according to the American Academy of Ophthalmology. People with green or hazel eyes have light brown pigment in ...

Eye Color is Determined by Melanin in Irises. Paler-colored eyes often reflect shades of blue, green and aqua, depending on the person's clothing and lighting conditions, whether natural or enhanced.