Two Lenses

If you wear glasses and are thinking about trying contact lenses, there are many things to consider. Surely you are aware of some of the benefits of using contact lenses, such as freedom from bulky glasses as well as better peripheral vision. You may be a bit nervous about inserting contact lenses or even about the care and maintenance. Before worrying about the details, you should learn a bit about the different types of contact lens options available. Educate Yourself about the different lenses that are currently on the market will put you one step ahead. Below is an overview of some of the different lenses that your doctor may prescribe for you. Arm yourself with the following information before going to your eye doctor and you will be in a much better position to go with what is best for you.

Toric lenses

Toric lenses are designed to have the effect of a cylindrical lens, usually in combination with the effect of a spherical lens. Toric lenses are typically used by people with myopic vision who also have astigmatism. Usually, these people have said they are not suitable for regular contact lenses, but may be able to use toric lenses. If one eye has astigmatism and the other not, he may recommend the use of a spherical lens in one eye and a toric lens in the other. Toric lenses are made from the same materials as regular contact lenses, but have some notable differences. Some of these differences are:

– They are not symmetrical and may contain a specific 'top' and 'bottom'
– They must be designed to maintain its orientation
– It is correct for both cylindrical aberration and spherical aberration
– Can be a little more expensive and are generally intended for extended use

Rigid gas permeable lenses

Lenses Rigid gas permeable contact were made in the late 1970s. While rigid gas permeable lenses (or RGP) are more rigid or a company of lenses, not to be confused with the old style of "hard" contact lenses that are no longer used. Most rigid gas permeable lenses incorporate silicone, which is permeable to oxygen. In essence, what this means is that oxygen can physically pass through the lenses and reach your eyes. The rigid gas permeable lenses usually last rather than soft contact lenses. They can also provide better vision, durability and strength of the shell. RGP may be easier to clean and As a long duration can be cheaper in the long term.

Vial Lenses

Vial contact lenses are basically rigid lens permeable gas that are designed to be worn for up to one year. The lens of the vials should be removed, cleaned and sterilized every night. Vial lenses can be soft or rigid. The main difference between vial lenses and other types of contact lenses is in the amount of time a couple of glasses of last request. Although lenses everyday contact and disposable contact lenses have grown in popularity, may people still prefer the durability of rigid gas permeable lenses vial. Vial lenses last long time and is said to provide excellent vision correction. On the other hand, tend to be thicker than disposable lenses and may take a while to adjust.

The choice is yours

Now that you know more about some of the different types of contact lenses available, you are better equipped to make decisions about your vision care. Be sure to consult your doctor about your lifestyle and specific vision problems to further help to determine which lenses are best for you.

About the Author:

When searching online for contact lenses, be sure to do your research and find a contact lens provider that offers all the most popular types of contact lenses, including toric lenses, RGP lenses and vial lenses.

Article Source: ArticlesBase.com – Popular Types of Contact Lenses

Two Lenses

Two Lenses