Blue, brown or green: The iris code: What eye color says about your character
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There is no genetic engineering in the plant
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Freitag, 10.05.2024, 09:12
Can eye colors really be attributed to character traits? Ophthalmologist Dr. Rainer Wiltfang explains the iris code and what connections there could be between character and eye color.
Can eye color actually say something about a person’s character?
Almost everyone knows sentences like “Brown eyes are dangerous, but honest in love.”, “Blue eyes are heavenly stars, like to kiss and kiss.” For a long time, a connection between eye color and character traits was considered esoteric. However, recent findings show that there can be a connection between eye color and personality – even if only in tendencies.
Are there scientific studies that establish a connection between eye color and personality traits?
Scientists at Österbro University examined 400 test subjects and were able to establish a connection between eye color and character. The development of the brain and eyes are linked. Gene Pax6 is involved in the formation of the iris pattern and is active in areas of the brain that influence emotions and behavior.
If you believe Swedish scientists, personality traits can be deciphered by looking into the iris. The scientists found that character traits can be interpreted using pigment spots, contraction rings and longitudinal furrows.
Elongated furrows are associated with a friendly and open nature. Contraction rings are associated with impulsive, neurotic traits. The scientists emphasize that an individual personality cannot be characterized based on their eyes. Further studies would be needed to verify the assumptions.
Dr. med. Rainer Wiltfang, a specialist in ophthalmology, has over two decades of experience in laser eye medicine. He is considered a pioneer as a co-developer of the SMILE method, an innovative, minimally invasive laser operation. In addition to his medical work, he works as a team doctor for the German Ski Association and at the Bavarian Olympic Training Center.
How do genetics influence eye color and could it also influence other characteristics?
Yes, genetics have an impact on eye color – as well as many other human characteristics. It arises from the combination of different genes. Eye color is determined by the substance melanin. If the melanin content is low, the iris appears light and the eyes are green to blue or gray.
If the melanin content is high, the iris is more brown in color. Since our genes determine how much melanin our body produces, eye colors are determined by genetics. The dominant and recessive traits of the genes inherited from the parents determine the eye color of the children. Brown and green eyes are inherited dominantly, while gray and blue eyes are inherited recessively.
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Can diseases be diagnosed based on eye color?
Diseases cannot usually be identified based on eye color alone. However, other criteria in the eye can provide clues. Human doctors take certain features of the eyes into account when making their diagnoses: high blood pressure, for example, can be detected in the retina. Vascular diseases also appear on the retina, even at a relatively early stage. Rheumatic diseases, autoimmune diseases such as diabetes or vitamin A deficiency can also be seen in the eye. It is therefore advisable to have a regular ophthalmological check-up and a visit to your family doctor.
Does eye color also affect vision?
People with light eye color may be more sensitive to light than people with brown eyes. However, eye color has no effect on vision or the frequency of refractive errors. In principle, the eyes should always be protected from sunlight and bright light. Visual aids such as glasses, contact lenses or laser eye surgery can be used to correct ametropia – depending on individual needs and requirements. For advice, always go to a specialized clinic that offers the full spectrum of care.
Are there ways to change eye color?
Actually not – theoretically it is possible to change the color of the eyes surgically – but this method is not approved in Germany because significant complications have occurred, including blindness. As an alternative, colored contact lenses can be worn, which many people know from Halloween or Carnival. In principle, these are not harmful to health if worn for a short time, but they are often not certified and can lead to various problems such as mechanical irritation and inflammation. It can be dangerous, especially if they are not used and stored correctly.
Does eye color change with age?
The color of the iris can change slightly with age – due to genetics, environmental influences or diseases such as glaucoma (glaucoma) and cataracts. In general, cataracts are a disease of older people because the lens clouds over the years. The process typically begins at age 60. The older you are, the more likely it is to occur. With glaucoma, the patient suffers from high eye pressure. The risk of glaucoma increases after the age of 40.
If regular eye exams are not performed, glaucoma can cause serious damage to the eye. The first symptoms are blurred vision or a high sensitivity to glare when light sources suddenly appear. If there is a first-degree relative with glaucoma or high myopia of five diopters or more as well as farsightedness, it is advisable to have the intraocular pressure checked before the age of forty
This text comes from an expert from the FOCUS online EXPERTS Circle. Our experts have a high level of specialist knowledge in their subject area and are not part of the editorial team. Learn more.