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What is astigmatism?

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Blurred vision caused by an irregularly shaped cornea

Astigmatism is when the cornea of the eye is shaped like a rugby ball rather than being spherical. It causes the eye to have two focal points rather than one and can lead to strain and headaches if uncorrected. Astigmatism is the 'Cylinder' value in a prescription.

Around 70% of people who wear spectacles have astigmatism. It can also be corrected with toric contact lenses and laser eye surgery.

People with severe astigmatism may experience double vision if it not corrected.

Astigmatism can indeed worsen with time, as the eye grows and changes. There is nothing you can do to prevent this change and it will only require a change to the prescription in your glasses in order to correct your vision.

It is also possible for the astigmatism to go away. I had mild astigmatism in my right eye for 35 years and now it is gone.

First answer by ID1178874944. Last edit by Ginaeslick. Contributor trust: 0 [recommend contributor]. Question popularity: 2 [recommend question]