It is well known that each of us has eye colorits uniqueness is not inferior to the pattern on the fingerprints. So, on the planet it is impossible to find two people with an absolutely identical pattern of the iris. Despite this fact, the color of the eyes of some people can change over time, completely changing the appearance of a person. Why is this happening and what is the secret of this phenomenon?
What does the human eye consist of?
Eyes - paired in the human bodythe body responsible for our perception of up to 90% of all incoming information. Thanks to the presence of eyes, our body is able to perceive electromagnetic radiation as the light range of wavelengths and transmit it to the brain for further processing. In order for such a “receiver” to function normally, nature has invented a special mechanism, which consists of three parts. The first part of our organ of vision is the outer shell, which performs a protective function and creates the shape of the eye. The second membrane is the vascular part of the eye, which is responsible for the nutrition of the eyes. In its very center is the pupil. The third part of the eye is rightfully considered the so-called retina, which is responsible for the reception and perception of light.
Why do eyes change color?
Despite the fact that the color of our eyes seems to usquite stable, the iris of an eye throughout a person’s life constantly changes color due to the different contents of melanin in it. In the first days after birth, the eyes of a child usually have a gray or light green color, which gradually changes over time in accordance with the genetics inherent in the child. A particular color of eyes is affected by a large number of factors, among which the racial features and genetics of the child stand out most clearly.
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In adulthood, a sharp change in habitualeye color can be caused by both external and internal causes. Most often, a change in the shade or pattern of the eye is associated with disorders in the central nervous system or hormonal background. In addition, some strong emotions, such as stress, sadness, anger, or joy, can also trigger a change in the shade of the iris. So, it is believed that during crying, the shade of the eye becomes even more saturated than in a calm state. Scientists believe that the protein in the eyes, thanks to tears, gets strong hydration, becoming lighter and brighter.
In other words, a change in eye color representsIt’s absolutely natural phenomenon, provided that the shade has changed evenly. In all other cases, with the appearance of such an unusual phenomenon, it is recommended to consult an ophthalmologist.
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