Astigmatism is one of the commonest eye problems among the massive people. Sufferers of this problem are always bothered by vision blurriness and many other discomforts, like headache, strain, etc.

However, it is found that almost all people have this problem to some extent. When the cornea is curved to some extent, this problem may occur. And the result is some people may have very serious symptoms, while others can not feel them.

In most cases, people can not tell whether or not they have this problem. And what they should do is to visit their eye doctor for further exam. Of course, if there are obvious symptoms, this problem might be there.

Generally, sufferers of astigmatism have a lot of options to regain better vision. One of the commonest ways is to wear prescribed glasses or lenses. This is also one of the most widely accepted ways among people who wear glasses.

Another effective way is to receive certain eye procedure. This method can help get rid of astigmatism completely- patients are no long in need of any rectifying devices. But one point should be noticed that not all sufferers of astigmatism can get surgery, due to different reasons. For this, only glasses or lenses are suitable.

In most cases, astigmatism often comes with other vision errors. For examples, sufferers of nearsightedness are often found with astigmatism. For this, some further eye checks and treatments are needed.

Anyway, astigmatism can now be effectively resolved via different ways. But prevention is much better, and some early eye exams can help prevent worsening.

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Two types of astigmatism

Photochromic and tinted lenses

Astigmatism is a vision condition that occurs when the front surface of your eye, the cornea, is slightly irregular in shape. People with astigmatism will commonly have blurred or distorted vision or suffer from headache and eyestrain etc. Usually nearsightedness and farsightedness occur with astigmatism. In most circumstances, one does not have to cure astigmatism. If there is a necessity, kinds of ways such as having a surgery and wearing glasses can be applied.

The principle to cure astigmatism is to, if a normal cornea is compared to a baseball, reshape the cornea to one shaped like a football so as to reflect light correctly. Because when the cornea is shaped like a football there is more than one curve on the cornea, which would causes light to reflect on more than one point in the retina, resulting in blurry vision.

Correcting astigmatism by a surgery is to cut a microscopic incision in the eye and reshaping the cornea. Keratotomy and LASIK are most frequently applied. No matter which one is applied, the final aim is to reshape the cornea to be more like a baseball than a football, making the cornea more spherical.

Correcting astigmatism by wearing eyeglasses is to redirect the light to the retina through lenses. In a similar way, contact lenses work the same to redirect the light. For a long time period, only RGP (rigid gas permeable) contacts are obtainable for astigmatism people, but now toric soft lenses are also available. Both of the two ways are able to provide clear vision for the astigmatism patient. With the development of science and technology, assistances for eye problems are improved greatly. As long as you know your eye prescription and how much astigmatism you have, you are able to buy a pair of eyewear suitable to you most.

If you are an astigmatism patient and you want to cure your eye problem, just contact your optometrist and tell him detail information about you eyes. He will advise you the most effective way for your vision improvement, either surgery or glasses.

If you want to know more about contact lenses knowledge, then feel free to visit http://vision.firmoo.com/contact-lenses

Nowadays, toric contact lenses are available in nearly all lenses types, such as soft materials, disposable, frequent replacement, multifocals and colored types.

Toric contact lenses are similar with bifocals in focal points, which have two different powers resulted from different curvatures. So that toric lenses can correct both astigmatism and myopia or hyperopia. The difference between toric lenses and spherical lenses lies in that they can not rotate on eyes under blink or looking around. Toric lenses can be soft and RGPs and require more time and skills so that their prices are unavoidably higher.

If you only have a mild astigmatism between zero and 1.00 diopter, toric lenses is not a necessity. The rigidity of common spherical RGP lenses offer a comfortable shape for your cornea thus reduces the need for astigmatism correction. ECPs may also use high-power spherical soft lenses to achieve a same effect. Both of these two ways require some trials. A third type of lenses that reduce eye spherical aberration can also “correct” astigmatism without a need for toric lenses.

As mentioned before, toric lenses can be soft and RGPs. Most people neglect the shape-maintenance performance of RGP toric lenses and choose more comfortable soft lenses, even if RGPs provide a sharper vision.

Among the wide options of toric colored lenses, multifocal toric lenses and branded toric lenses, your ECP is the judge based on your eye conditions. While toric colored (both enhancement and change types) lenses are provided in both disposable and non-disposable types, multifocal toric lenses are mostly non-disposable and in RGPs type.

Toric contact lenses are offered by many brands in silicone hydrogel lens, including monthly disposable type and quarterly replacement lenses for special prescription. Customers always need to choose ECPs who offer fitting toric lenses for your personal vision welfare.