Types Of Contact Lenses

Since the contact lens was introduced about four decades ago, manufacturers have been releasing new formats time and again. Soft contacts were initially designed so that they can be used for a period of 1 to 1.5 years with the wearer removing them every night. They are now better known as soft conventional contact lenses and are generally recommended as a special lens and usually used when the disposable is not available. The main drawback of these contacts is that you must be very meticulous in caring for them and clean them.

Disposable contact lenses type were first introduced about three decades ago. The Acuvue contact lens from J & J is an example of those that can be removed after two weeks. It is a hydrogel lens is soft and essentially designed to be worn regularly for two weeks, then replaced.

Disposable soft lenses and silicon hydrogel is contacted with the market in the 1990s. Ciba Focus Night & Day and Bausch & Lomb PureVision were early targets silicone hydrogel which came on the market. Each of these lenses can be worn for one month of extended wear. The contact lens silicone hydrogel is advantageous because it has a higher oxygen permeability compared to the previous hydrogel contact lens. Nearly 98 100 patients wear this type of objective. However, it is said that the likelihood of developing a corneal ulcer or microbial keratitis is higher with this type of lens. Some research says the risk could be as low as 500 per year.

As the next step of lenses and disposable soft silicone hydrogel contact the Acuvue Oasys Johnson & Johnson and Ciba O2 Optix have been introduced. You will find that this type of lens is a surface treatment improved leading to better hydration and comfort.

Recently, the hydrogel soft contact lenses daily disposable has become extremely popular. This type of contact lenses, like Focus Cibavision daily and 1-Day Acuvue Moist J & J has the advantage of having more hydrophilic qualities and be able to retain moisture in the course of use.

Focus Dailies contact lens type have AquaRelease for better hydration. They are changed every day, providing greater comfort that the lens is much cleaner. Daily replacement lenses are preferable because of the low rate of infections and complications that may develop due to surface deposits. Clearly a case of contact lenses is known as a place to harbor microbes that lead to infections of the eyes is not necessary for this type of lens wear.

You can now buy your contact lenses online, making it faster, cheaper and easier option because you can buy them in the comfort of your home. However, the wearer of the lens must be responsible and have a regular review of his eyes by the ophthalmologist. They should also make a point to test their own eyes and follow the rule: "Look well - See Alright - Feel alright." After putting in the glass per day, make sure each eye looks white, then make sure that vision is acceptable in both eyes, then open and close their eyes a few times or so just to make sure you feel comfortable. If you find something wrong, remove the lens and the eye doctor's visit.

The majority of Acuvue contact lenses are manufactured with a tint of the lens. This tint will not change the color of your eyes, but it will be easier for you to see the contact lens while handling or if you drop it. Like most lenses are difficult to see the color you can search if it falls on the ground or other surfaces.