Contrary to some beliefs astigmatism is not a disease or an indicator of bad eyes. Astigmatism is a vision disorder that belongs to a group of vision disorders known as "refractive errors". Astigmatism can be expressed either due to an ovality in the shape of the eye itself, in the cornea or even in the natural lens found inside the eye. Since the cornea (the clear bulging surface in front of the eye on which contact lenses rest) is the primary refractive surface of the eye, aberrations on this tissue could adversely affect the way light enters into the eye. For example, eyes that require astigmatic corrections do not focus light rays onto a single point, which is the ideal process. This can result in the astigmatic person experiencing blurry vision. Let's find out what specifically causes this disorder, what the symptoms are, how it is treated and if there is a cure.
There are a few factors that can cause an astigmatism. Below is a list of the most common causes.
Below is an example comparing astigmatism vision to normal vision.
If you or someone you know experiences any of the above symptoms consider astigmatism as the potential culprit. In these cases consulting an eye doctor would be the best course of action to take.
Although there are no guaranteed cures for astigmatisms there are a few treatment options available that can help correct the disorder. Here is a list of those treatments.
Astigmatism is a vision disorder that impacts millions of people globally. Although there is no guaranteed cure for it there is a variety of treatment options available as we have seen above. If you experience any of the symptoms mentioned in this article err on the side of caution and consult an eye doctor for a proper diagnosis.
Sources: American Optometric Association
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