On July 12, National Different Coloured Eyes Day focuses on heterochromia iridum. It’s alright, we initially had no idea what it meant either. Heterochromia iridum refers to the colour variation that provides a single organism two eyes of different colours. Since the beginning of recorded history, it has been known to occur in populations of numerous species, and it is an intriguing and sought-after characteristic. There are three distinct varieties of heterochromia, but only 1% of the population is fortunate enough to have this pigmentation. Today, many individuals favour pets with this amusing eye colour variation, and coloured contact lenses are used to imitate the trait! Therefore, show your companions with heterochromia some extra affection today.
The background of National Different Colored Eyes Day
In the past, individuals with two different-colored eyes were far less likely to receive compliments than they are today. Native American Indians, for instance, once believed that those born with the distinct pigmentation could see both heaven and earth through their “ghost eyes.” Because they had witnessed canines born with the trait, they viewed it as inhumane and eerie.
Many myths and phobias have been associated with heterochromia iridum for centuries, including superstitious beliefs that those with the trait were witches, were malevolent, could see beyond their own deaths and into the afterlife, or could consort with ghosts and spirits. Since the eyes are the windows to the soul, ancient peoples who were unable to explain the anomaly rapidly resorted to supernatural explanations that portrayed the trait as subhuman.
Obviously, our culture finds it attractive today! However, it remains poorly understood. Did you know that it can be either innate or acquired? Especially if the condition is acquired, it is recommended to visit a specialist to ensure that it is benign. While the overwhelming majority of cases are completely harmless and merely beautiful, a small number may indicate eye damage or another underlying disease. safer to be secure than sorry!
Actually, there are three distinct types of heterochromia iridum: total, segmental, and central. The most prevalent central appearance consists of irises with various colours surrounding the pupils. Many do not recognise this as heterochromia iridum! Segmental heterochromia manifests as a patch of a distinct colour on a single iris, whereas complete heterochromia is the most common form, manifesting as two irises of different colours.
Regardless of whether the trait is inherited or not, less than one-half of one percent of the population possesses it. Examine some old family photographs if you want to know if it’s in your DNA. Keep in mind that it can be very difficult to distinguish; the majority of people do not observe the condition in others, and it can be easily misinterpreted.
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5 FUN FACTS ABOUT DIFFERENT COLOURED EYES
Having different-colored eyes is almost never a sign of an eye disease and almost never impairs vision.
Dan Aykroyd, Mila Kunis, Henry Cavill, and others have all been diagnosed with heterochromia.
Most frequently affected dog breeds include Siberian huskies, Australian shepherds, collies, corgis, and Chihuahuas.
Some animals, such as “odd-eyed cats,” are bred to have this genetic trait!
Anisocoria, which occurs when a person has two distinct pupil sizes, is sometimes mistaken for having two different iris colours; consider David Bowie.
NATIONAL DIFFERENT COLORED EYES DAY DATES
| Year | Date | Day |
|---|---|---|
| 2023 | July 12 | Wednesday |
| 2024 | July 12 | Friday |
| 2025 | July 12 | Saturday |
| 2026 | July 12 | Sunday |
| 2027 | July 12 | Monday |
