Why color of eyes at the baby changes

Why color of eyes at the baby changes

Newborn children have color of eyes generally dairy-blue. After a while eyes begin to change, and the child from blue-eyed turns into brown-eyed, blue-eyed and so on.

If the newborn has blue color of eyes, it does not mean that it it also will remain. Approximately in three months of an eye of the kid will change color therefore parents should not be upset if the child is not similar in this plan for anybody of close relatives. In process of its growth both the structure of eyes, and color, and ability to see will change.

At only the been born kid the structure of an eye is similar to that that at the adult. But fully eyes cannot function yet. The visual acuity at the child is reduced – right after the birth and a little later he is only capable to see light no more. But gradually in process of development the visual acuity will increase. At one-year-old age the child sees approximately half as well as the adult.

Why eyes of newborns of light blue color

In the first months of life iris of the eye of the child light blue or light gray. Occurs so because after the birth in it there is almost no pigment melanin. Changes in color of an iris of the eye depend on availability in it of melanin and also on density of fibers. Gradually color of eyes begins to change – in process of development of the kid the organism begins to develop and accumulate melanin. At its large number eyes become brown or black, at small – blue, green or gray. Color of eyes at children can change and several times. So it turns out because production of melanin changes as the child grows and develops. The iris of the eye gains final color when the child is three-four years old.

What color of eyes of the child depends on

First of all the amount of the melanin which is contained in an eye iris is caused by heredity. The reason – domination of signs at the genetic level. The child receives a complex of genes also from the parents, and from more remote ancestors. It is difficult to give the exact forecast concerning what color there will be the child's eyes. If one of parents of an eye dark, brown, at the second light, at the kid, most likely, has brown eyes. Albinos can have reddish color of eyes is very rare pathology at which melanin in an iris of the eye is absent, and color of eyes is defined by the blood filling cover vessels. Some children are born with the phenomenon called heterochromia – one eye can be brown, another green.

Author: «MirrorInfo» Dream Team


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