The facts about eyes make you unbelievably dizzy!

The eyes are the windows of the soul. They are really 'irreplaceable' good friends that help us look around.

But did you really understand the eyes? These interesting facts will make you very surprised!

1. One eye on each side

A person with two eye colors is a phenomenon called " Heterochromia iridis" - a rare disease in human society. It is often the result of an eye-related or genetic disease.

The three main types of pigmentation disorders that change color of the eye - turn from left to right must be total, partial and central disturbance.

Pigmentation disorder that changes eye color usually has three main forms: whole, partial and central."Whole" means you have eyes in which the two sides have different colors, "each part" is understood when one side of your eye has two different main colors.

The third type is the rarest type: "central" disorder . It is in the middle of your child that you will have one or two colors and then there will be different colors around.

However, note in those who grow up with eyes of the same color. Suddenly, they discovered that an eye has changed to another color that could actually be a sign of illness - need to see a doctor right away.

2. Eye fear syndrome

People with this disease appear scared when they see eye-related images.

This strange syndrome has a scientific name is ommatophobia . People with this disease are frightened when they see images related to their eyes and they often never look directly into the eyes of the opposite person when talking.

3. Eyes can also be "sunburned"

It may sound unbelievable, but the truth is that eyes can be "sunburned". That's why it's important to wear ultraviolet sunglasses to protect the eyes.

Tanned eyes are not the same as those in the skin, because the effects are almost immediate with pain, redness and peeling eyes. Exposure to prolonged sunlight will lead to thickening of the eye tissue, and you must go to the doctor for treatment.

4. Vision 20/10 is a very normal thing

The best visual acuity recorded so far is October 20. People with 20/10 vision can see objects more than 6 meters away, while ordinary people can only see objects 3 meters away from them.

5. Eye lenses are like an M&M candy

Eye proteins are packed in a shell, like an M & M candy.

The eye lens acts as a camera lens right behind the pupil (pupil). In addition, its protein substances are packed in a shell, like an M & M tablet.

6. Eye length helps determine your vision type

In addition to the lens and cornea, the length of the eye is more related to your nearsightedness or farsightedness.

Nearsighted people have a longer eyeball than normal, while farsighted people have shorter eyes than usual. Just one millimeter of eye length will change its properties immediately.

7. Your eyes get bigger when you grow up

When you were born, your eyeballs were 16mm wide. When they are 3 years old, they will grow each eye 23mm wide. Your eyes will reach their maximum size when you reach puberty of 24mm (about 1 mm more than the child stage).

8. Eyes can heal pretty quickly

Some eye scratches can heal themselves within 24 to 48 hours.

Some eye scratches can heal themselves within 24 to 48 hours. However, if the scratch is infected and you feel unbearable pain, it can easily lead to blindness if left untreated.

Therefore, if you experience any kind of eye injury, you should see your doctor to prevent eye infection, avoid the unfortunate situation.

9. The visual control areas in the brain are located at the back of the neck

That's why if you have a severe tremor in this area, you may experience temporary blindness in your eyes.