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Gas Permeable Lenses: Do They Make Sense for You?


While you may be most familiar with soft contact lenses, a second, lesser-known type of contact lens materials exists: rigid gas permeable (RGP) lenses, sometimes referred to oxygen permeable lenses.

In reality, RGP lenses involve newer technology than soft lenses, and they are longer-lasting, can be more effective in improving eyesight, and provide enhanced deposit resistance. Further they can also be less expensive in the long run than soft lenses. Certainly, its advised to first discuss with your eye doctor to decide whether GPs suit your needs. Our optometry office can assist you in determining if GP lenses are right for you.

Because an RGP is composed of inflexible material, it maintains its shape well when you blink, which can provide crisper vision than the average soft lens. In addition RGPs are particularly durable. Though they will crack if stepped on, they don’t tear easily like soft lenses. Also, because they consist of materials that don't include water, proteins and lipids from your tears won't adhere to RGPs as easily as they will to soft lenses. People that are especially particular about quality of vision will most likely choose GPs.

RGPs are also a good choice for contact wearers with certain conditions such as astigmatism, presbyopia or keratoconus, in which soft lenses may not fit properly or provide enough variety. RGPs are also suitable for contact users after refractive surgery.

If you are considering GP lenses, make sure to first ask your eye care practitioner to ascertain if you definitely are a suitable candidate. Who knows…hard lenses could be the perfect match for you!