Rigid Gas Permeables Comparisons - What Lens Is Best For You?

Another article from our extensive and ever-growing library of articles of particular interest to both existing and future contact lenses wearers. We want to both educate and inform, so you get the best from your contact lenses.

The purpose of rigid gas permeables comparisons is really to find out which type of contact lens is really the best for you. Prior to moving into this discussion, perhaps we should be clear as to what a rigid gas permeable (RGP) lens is?

What Are RGP Lenses?

Gas permeable lenses use silicon, and were introduced in the mid-1980s. The technology is newer than that wore in the creation of soft contact lenses. The utilize of silicone also makes the thin plastic even more flexible polymer than PMMA, which is the material from which hard contact lenses were originally manufactured.The gas permeable nature of RGP lenses means that oxygen can pass through then, resulting in greater comfort and better eye health. In fact, RGPs transmit even more oxygen to the eye than do virtually all soft contact lenses.

GPs can as well provide better visual acuity, durability, and deposit resistance than soft contact lenses. They can be simpler to clean, and since they are long-lasting, they can be less expensive in the long term than soft lenses.

Comparisons

Tests have been carried out on RGP's, to discover the effects of lenses on corneal swelling and corneal infections.

Notwithstanding 125 Dk/t units or even greater, studies have shown differences in overnight swelling between RGP and silicone hydrogel materials. There exists a microscopic however important overnight swelling with RGP lenses in this class when equated with silicone hydrogels, yet studies of Pseudomonas adherence to person epithelium have shown that RGP-wearing corneas attach the least bacteria.

Conclusions. Corneal refractive therapies are on the verge of international acceptance as a standard alternative for treating refraction. Continually applying newer, even more permeable lens materials is a necessity to make sure safety, efficacy, and, in turn, long-term acceptance.

1 can conclude from this research that the gas permeable nature of the lens is critical to the well being of the eye. The question of comfort will always play a section in a discussion like this, however bearing in mind the nature of the conclusions drawn above, it would be worthwhile to produce a awesome effort to try and get utilized to your RGP's.

Charlie Cory runs a site dedicated to favorite effects contact lenses at http://www.fx-eyes.com

Article source: http://www.topiccenter.com/Health-and-Fitness/

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