วันเสาร์ที่ 23 มกราคม พ.ศ. 2553

The Different Types Of Contact Lenses

Under Diversity Contact:

Contacts can come in a range of diversity, including hard and soft. Hard contacts are typically not available, while soft contacts often are. Some soft contacts are also known as Extended wear lenses. Contact lenses (are) soft and hard manufactured by various types of polymers, usually with a variant of silicone hydrogel. Previously, hard contact lenses were made of a polymerknown as PMMA. They are replaced by the rigid gas permeable since then (RGP) contact lenses. Many contact lenses are made of hydrophilic (water-absorbing) materials, allowing oxygen to reach the cornea, lens wear and that more enjoyable.

There are two broad types of contact lenses. Soft lenses and rigid gas permeable contact lenses are the two types of lenses. The gas permeable is also known as RGP.Soft contact lenses are comfortable to wear because they are mobile than that of RGP. That makes them even more comfortable in your eyes. The soft lens also allows oxygen to flow freely to your cornea leaving your eyes feel better. Rigid gas permeable contact lenses are sturdier and give you a better view of what to clear. They have a longer life expectancy than a soft lens because of its durability. The soft and rigid gas permeable lens, bothcome in a disposable lens. The more popular of the two contacts for one-way is the soft lens. A disposable contact lenses can have a life of seven to thirty days, depending on the type and brand of contact. However, disposable contacts, as a rule to those that wear the soft contact lenses given.

Recently developed contact lenses:

There is also another class of lenses for a demanding lifestyle and you need to have yourContacts nearly all the time. They are called full-day lenses. These lenses are soft contact lenses because of the high demand of oxygen, the cornea needs. However, there are a couple of RGP, which as an extended contact lens wear can be worn. It is a previous group of contact lenses. This will be a special contact lenses, which are known as known Ortho-K, helps to assist in the curve of your cornea to change itwith temporary improvement seen with your eyes, as objects. Ortho-K is not a permanent solution. Without the Ortho-K lenses for the treatment and your eyes would still keep the curvature of the cornea.

A person who has contact lenses, know that daily care for your contacts and your eyes, you should follow. At all times, a couple of glasses have to fall back on the case, you would lose a contact or the contact would startIrritation of the eyes. Wash your hands before you help your contacts in the reduction of infection.



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