Why do people have babies

Do all babies have blue eyes?

In this vision fairy tale we address the question of whether all babies have blue eyes. The eyes of adults can have an infinite number of color variants, which can be traced back to the four basic eye colors brown, green, blue and gray. Babies, on the other hand, always look at the world with blue eyes - at least that is the popular belief. You can find out now whether this is really true.

In fact, most babies are born with blue eyes. This is because the iris of the eye still contains a very low concentration of the dye melanin. This begins to develop in the course of the first year of life and is deposited on the iris. This is how the babies get their final eye colors such as brown, green, gray, blue or one of the many mixed colors. But this only applies to fair-skinned children.

Dark-skinned babies are usually born with brown eyes. The reason is a higher concentration of the pigment melanin in the iris. This makes sense because melanin protects the sensitive children's eyes from the harmful effects of light.

Because exposure to solar radiation is much higher in southern regions than in northern regions, people there mostly have darker eye colors than northerners.

The eye color brown and its variations are represented most frequently around the world at around 90 percent. Less than one in ten adults has eyes that are nuanced in blue. This proportion is expected to decrease further. Because the genetic trait of a blue iris (low melanin accumulation) is covered by the traits of a brown pigmentation during inheritance, so it is inherited much less often. Green-eyed people are the least common at around two percent.

Tip: Do you already know our children's vision check, the free online vision test for children?

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