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Can Eyes Change Colour

From babies to adults, many of us have experienced a change in our eye colour. We may wake up one morning and find that our eyes are a different shade than they were the day before. While this can be surprising and intriguing, it’s also important to learn more about why and how this happens. In this blog post, we will explore the phenomenon of eye colour changing. We’ll look at what causes the change, what factors influence it, and even if there is any science behind it. So if you’ve ever wondered if your eyes could change colour, read on to learn more!

How do eyes change color?

The color of your eyes is determined by the amount and type of pigment in the front part of the iris. The more pigment you have, the darker your eyes will be. The less pigment you have, the lighter your eyes will be. And if you have no pigment at all, your eyes will be blue.

Most people’s eye color falls somewhere in between these extremes. And while your eye color might stay pretty much the same throughout your life, there are some circumstances where it can change.

For example, if you develop a condition called uveitis, it can cause your eyes to become darker. Uveitis is an inflammation of the middle layer of the eye and it can occur for a variety of reasons, including infection or injury.

Certain medications can also cause changes in eye color. For instance, chloroquine (an antimalarial drug) and hydro chloroquine (used to treat arthritis and lupus) can both cause blue-gray discoloration of the iris. So can phenothiazine’s (a class of antipsychotic drugs).

And then there are contact lenses. If you wear them long enough, they could potentially change the color of your eyes permanently. This is because when you put on a contact lens, it alters the shape of your cornea (the front part of your eye).

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What factors affect eye color?

There are several factors that can affect eye color. One is genetics. If your parents have blue eyes, it’s more likely that you will have blue eyes as well. Another factor is age. As you get older, your eyes may become lighter in color. This is especially true if you spend a lot of time in the sun. Sunlight can bleach the color from your eyes over time.

What are the different types of eye colors?

There are a few different types of eye colors that people can have. The most common type is brown, but people can also have blue, green, hazel, or even violet eyes. Some people can also have two different colored eyes, which is called heterochromia.

What is the most common eye color?

The most common eye color is brown. Brown eyes are dominant over all other eye colors, meaning that they are more likely to be passed down from generation to generation. Blue eyes are the second most common eye color, followed by green and hazel.

How long does it take for eyes to change color?

It can take several months for eyes to change color. The speed of the change depends on how much melanin is in your body. If you have a lot of melanin, your eyes will darken quickly. If you have very little melanin, it could take years for your eyes to reach their final color.

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Can eyes change color permanently?

There are a number of factors that can affect the color of your eyes, including your diet, medications, and health conditions. While these changes are usually temporary, there is a possibility that they could be permanent. If you’re concerned about the color of your eyes changing permanently, speak to your doctor.

There are a few things that can cause your eyes to change color permanently. The most common is age. As you get older, the pigment in your iris (the colored part of your eye) starts to break down, causing your eyes to appear more yellow or green. This is why adults often have lighter-colored eyes than children.

Certain medications can also cause your eyes to change color permanently. For example, chloroquine, a medication used to treat malaria, can cause blue-green discoloration of the iris. Additionally, long-term use of steroids can lead to permanent lightening of the iris.

Finally, some diseases and conditions can also cause permanent changes in eye color. For example, Horner’s syndrome (a nerve disorder that affects the pupil) can cause one eye to appear darker than the other. Alternatively, Fuchs’ dystrophy (a genetic condition that affects the cornea) can cause the cornea to turn blue-grey.


We’ve seen that eyes can absolutely change colour. In addition to natural genetic factors, eye hue can also be affected by external elements such as stress or hormones, and this is why it’s possible for eyes to change colour over time. While some people might not experience any differences in their eye hues throughout their lifetime, others may see fluctuations caused by the environment or internal factors. No matter what the cause of your changing eye colours are, it is important to remember that these changes are perfectly normal and nothing to worry about!