Many contact designs are available to correct a variety of vision problems: Spherical contacts are the typical, rounded design of contact lenses, which can correct myopia (nearsightedness) or hyperopia (farsightedness). Bifocal contact lenses contain different zones for near and far vision to correct presbyopia. This is a problem in which the aging eye beginning at around age 40 is not able to focus at various distances, often noticed when reading becomes challenging. Additional aspects include squinting, eyestrain and headaches.
Orthokeratology, (Ortho-K) is a contact lens used to change the cornea's curvature on a temporary basis. This lens is mainly used to correct myopia.
Toric lenses are used to address astigmatism, as well as for myopia and hyperopia. Toric contact lenses have two powers, made with curvatures at different angles (one for astigmatism, the other for either myopia or hyperopia. They are specially designed so that they will not have a lot of movement or rotation. Proclear Multifocal Toric is a contact that is replaced on a monthly basis, specified to address both astigmatism and presbyopia. According to
CooperVision , the manufacturer, all Proclear Multifocal lenses are developed using PC Technology, which creates a unique material consisting of molecules of phosphorylcholine (PC), a material found naturally in the cell membranes of humans. These miracle molecules surround and attract themselves with water, keeping Proclear lenses moist and comfortable.
Dry Eyes- In addition to myopia, antistigmatim, or hperopia many people also have dry eyes. When a person has dry eyes, it usually means that the eyes don't produce enough tears to keep the eye moist or that the tears that do not have the correct chemical make-up. A significant percent of the population 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 product. There are also specific products for people who have eyes that are both antistigmatism and dry eyes called Acuvue Oaysis for Astigmatism.
Additional Contact Lens Features-
Colored Contact Lenses. 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 change 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 a huge variety of 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. Many contact lenses include UV inhibitors. Contacts don't cover the entire eye. It is essential 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, this provides both the the comfort of a larger soft lens and the crisp optics of a rigid lens. It is clear that the options for wearing lenses are increasing. 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
