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Contact Lens Technology

Author:  CJ Folkes   2008-09-12  Word Count: 502  Category: Fashion  Print  Copy

Many contact designs are available to correct a variety of vision problems: Spherical contacts are the typical, rounded design of contacts, which can correct myopia (nearsightedness) or hyperopia (farsightedness). Bifocal lenses have different zones for far and near vision to correct presbyopia. This is a condition in which the aging eye beginning at approximately age 40 is unable to focus at various distances, often noticed when print begins to blur is a lens used to change the cornea’s curvature on a temporarily. This contact lens is mainly used to correct myopia.
Toric lenses are used to correct astigmatism, as well as for hyperopia and myopia. Toric lenses contain two powers, created with curvatures at different angles (one for astigmatism, the other for either hyperopia or myopia. They are specially designed so that they don’t have a lot of rotation or movement. Proclear Multifocal Toric is a contact that is replaced on a monthly basis, designed to address both astigmatism and presbyopia. According to the manufacturer, CooperVision , all Proclear Multifocal contact lenses are developed using PC Technology, which creates a unique material consisting of molecules of phosphorylcholine (PC), a substance found naturally in the cell membranes of humans. These molecules surround and attract themselves with water, keeping Proclear contact lenses moist and comfortable.
Dry Eyes- In addition to hyperopia, myopia or astigmatism numerous people also have dry eyes. Dry Eyes means they don’t make enough tears to keep the eye moist or that the tears that do not have the correct chemical make-up. Many people experience dry eyes as they get older. There are products that have been developed to address these issues. Acuvue Oaysis for dry eyes is one currently available. There are also specific products for people who have eyes that are both dry and have astigmatism called Acuvue Oaysis for Astigmatism.
Additional Lens Features-
Colored Contact. Numerous types of lenses come in varying colors. One of the most popular color contact lenses is Freshlook Colorblends, with about 3.2 million users. They will enhance your natural eye color and work with both light and dark eye colors.
Special-Effect Contact Lenses. These contacts are often used for novelty or Halloween. They have varying designs. Some designs can make the eyes look like completely black or red. Some atheletes are experimenting with them to intimidate their opponents.
UV-Inhibiting Lenses. Numerous contact lenses include UV inhibitors. Since the contact lens does not cover the entire eye. It is still important to protect the eyes from dangerous UV Rays, using quality sunglasses.
Hybrid Lenses. One brand of lenses features a rigid gas permeable, GP center with a soft outer skirt, providing wearers with both the the comfort of a larger soft lens and the crisp optics of a rigid lens. It is evident that the options for wearing contacts are expanding. The option to be free of glasses is a reality. You can see what cotacts fit your needs on the web at sites like Shoplens.com

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Colored Contacts

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