More blue light gets back out and the eyes appear to be blue. For people with green or hazel eyes, one or both of the layers of the iris contains light brown pigment.

People with blue eyes may have better sight in dim conditions than those with brown eyes, which could explain why the colour has persisted in certain populations By Michael Le Page 6 February 2024 ...

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 ...

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 ...

This mutation has been passed on through mitochondrial DNA. Blue eyes also tend to be more sensitive to light. ‌ Green eyes. Green eyes are rare: Only about 2% of people have them.

No, not all babies are born with blue eyes. In fact, research has found that more babies are born with brown eyes than blue. The Newborn Eye Screen Test (NEST) found that, of a sample of 192 ...