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What is Astigmatism? Do I have astigmatism or not?

"Do I have astigmatism or not?"

Have you ever experienced cloudy sight for both close and far objects?
Have you ever felt light exstrophia?
What is astigmatism? Many people have heard of astigmatism but they actually don't know what it is exactly.
Let's check out what is the cause of astigmatism and and its symtoms.

What is astigmatism


Astigmatism is an abnormal light refractive phenomenon that the light went into eyes is refracted and couldn't focus on one point but spread out to two or more points.
Most of people has astigmatism.
However, it can affects on everyday life if the level of astigmatism becomes serious.

Definition of astigmatism


Symptom of Astigmatism

The most typical symptom of astigmatism is that you can not see things clearly. Unlike myopia or hyperopia, people with astigmatism can't focus on both the near and far objects. Forcing the eye to focus on something that your eyes can't, will cause the ciliary muscles to contract and make your eyes get tired easily. In addition, rarely accompanied by diplopia.
The causes of astigmatism are divided into innate and acquired cases.

 Congenital Astigmatism

Most of people have an eyeball with a round sphere shape. But people with astigmatism have a tilted oval shape of eyeball. To make it easier, we can say that a healthy eyeball has a soccer ball or a basketball shape, and an eyeball with astigmatism has rugby ball shape.

 Acquired Astigmatism

In case of a acquired astigmatism, the shape of cornea is shown mutated. Sometimes when the eye lid presses the eye or eyelashes touch the eye, shape of cornea can be mutated and astigmatism occurs.

Also, astigmatism can be generated through optic nerve damage by long-term usage of electric equipment. Once the optic nerve is damaged, it is difficult to recover. It means that the astigmatism is also difficult to recover once it occurs. Additionally, astigmatism can occur by eye problems such as the conical cornea, macular degeneration, cataracts, or glaucoma.


astigmatism aberration Correction Method

There are three ways to correct astigmatism.

Glasses: it is the most universal way to solve astigmatism.
As the astigmatism correction glasses have a curve on their lens, it might be not that pretty for you or it can make you feel dizzy. So it would require a period of adjustment.

Contact lens: if you feel uncomfortable to wear astigmatic glasses, the contact lens will help you solve astigmatism.
Unlike the general lens, the astigmatic lens requires customized order and its cost is also higher than the general lens.

Eyesight correction surgery: astigmatism can be corrected by an eyesight correction surgery. You can consult the specialist to find out the type of eyesight correction surgery that is fit you the most.


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