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Eye Health | Optical Center SmartBuyGlasses CA

Astigmatism Test - Online Self Test

 

In this article, find out what astigmatism is and discover how to do a simple astigmatism test online from the comfort of your own home.

 

What is Astigmatism?

Astigmatism is a very common but curable condition that impacts your vision. It is the result of an irregular curvature of the cornea or lens. When these areas are unevenly curved, light rays are not refracted properly on the retina, so objects appear distorted. Both near and far distances can be affected.

 

What Causes Astigmatism?

It is not known why corneal shape differs from person to person, but it is believed that genetics plays a big part in the likelihood of developing astigmatism.

Astigmatism often occurs early in life, so it is important for children to see an eye specialist. 

It may also occur after an eye injury or surgery. It can occur alongside nearsightedness or farsightedness and collectively, these vision conditions are known as ‘refractive errors’ as they affect how the eyes bend or ‘refract’ light.

 

How Can I Do an Astigmatism Test?

There are 2 easy ways to check to see if you have astigmatism.  These are basic astigmatism tests that can be done from the comfort of your own home. They can help you to decide whether you need to consult an eye specialist to get a more detailed evaluation of your vision needs.  If you already wear glasses or contact lenses, you can take these tests while wearing either.


The Line Test

 

                  

 

1. Position yourself 2-10 feet away from the screen.

2. Start by closing one eye and look carefully at the lines.

3. Repeat this with both eyes.

If the lines appear to be the same colour and thickness, it is likely that you may not have astigmatism.  However, if there are differences, it is likely that your vision is blurred, and you may have astigmatism. You should consult your eye specialist at your earliest convenience.

 

 

The Dial Test

 

 

1. Position yourself 2-10 feet away from the screen.

2. Start by closing one eye and look carefully at the lines.

3. Repeat this with both eyes.

If the lines appear similarly dark, it is likely that you may not have astigmatism. However, if one or more lines appear darker than the rest, it is possible that you may have astigmatism. You should consult your eye specialist at your earliest convenience.

 

Astigmatism Treatment and Correction

If you struggled with the above tests, it is advisable that you see an eye specialist for a more comprehensive assessment. They will be able to determine the amount of astigmatism you suffer from by measuring how the eyes focus light. If the astigmatism is mild, they may suggest no treatment but if it is more severe, they will recommend one of the following options:

• Properly prescribed and fitted eyeglasses or contact lenses

• Laser and other refractive surgery

• Orthokeratology (corneal refractive therapy)

• If your eye specialist recommends that you wear eyeglasses or contact lenses, SmartBuyGlasses has you covered!

 

 

 

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