If you want to buy contact lenses for astigmatism, you can choose Toric Contact Lenses that are suitable for people with astigmatism.
In fact, if you have a mild astigmatism, usually, less than 1.00 diopter, you can also choose to wear regular spherical GP lens or even a spherical soft lens. And now, contact lenses are available online. But you are required your prescription when you order it online.
I suggest you to buy toric contacts because they are used to deal with astigmatism and contain two parts of prescription one for myopia, the other for astigmatism. In addition, you can choose soft toric contacts or GP contact lenses according to their own features or your preference. Soft toric contacts make wearers feel more comfortable, while GP contact lenses offer sharper vision than soft toric lenses. At present, there are many toric contact lenses coming varouis brands online. You can ask your ophthalmologist to help you select the best type for you.
Astigmatism is an eye condition where rays that travel in two, perpendicular directions have different focal points. This can lead not only to blurry vision, but also to patients seeing the edges of objects leaning over when they are in fact straight. For this kind of disease, many people have to wear a pair of glasses or contact lenses. Nowadays, there are many types of contact lenses for astigmatism. Such as Air Optix for Astigmatism, Acuvue Advance for Astigmatism. Air Optix contact lenses by Ciba are monthly disposable lenses. They provide unmatched comfort due to the reducing of interaction between the lower eyelid and the lens. It is priced higher than the competition, but worth it. Acuvue's contact lenses against astigmatism are cheaper than the Air Optix ones. Acuvue Advance features its own patented technology called Advanced Stabilization Design. This means that every time the user blinks, the contact lenses remain in place and ensure sharp, steady vision for the length of you wearing them. So you can make your decision using these messages. But you should also make sure what you want and don't get a fake one. Good luck to you.
If you have a small amount of astigmatism, you are recommended to wear a regular spherical GP lens or even a spherical soft lens. It is said that the reason why Spherical GP lenses can correct mild amounts of astigmatism is that they are made of firm plastic and do not conform to the asymmetric shape of the front surface of an astigmatic eye. Besides, you can choose a toric contact lens which is made from the same materials as regular contact lenses. However toric contact lens fitting typically is more expensive than a regular contact lens fitting. You would better to ask for doctor's professional advice.