Although soft contacts are more often used, another lesser-known type of contact lens materials exists: gas permeable (GP) contact lenses, sometimes referred to oxygen permeable lenses.
Actually, GP lenses are a newer technology than soft contacts, which are longer-lasting, are often more effective in improving vision, and provide enhanced deposit resistance. Additionally RGP lenses may also be cheaper in the long run than soft lenses. Of course, its advised to first consult with your eye care practitioner to decide whether GPs fit your needs. Our optometry staff can assist you in determining whether hard lenses are right for you.
Since an RGP is made of inflexible material, it retains its shape well when you blink, which tends to afford clearer vision than the typical soft lens. In addition GPs are especially durable. Though they can break if stepped on, they don’t easily rip like soft lenses. Further, since they consist of substances that don't contain water, proteins or lipids from your tears don’t adhere to GPs as easily as they will to soft lenses. People that are extra fussy about vision quality will probably opt for GPs.
GPs are also sometimes preferred for people with certain conditions such as astigmatism, presbyopia or keratoconus, in which standard contacts may not produce the desired visual acuity. RGPs are also suitable for those who need contact lenses after refractive surgery.
If you are looking into RGP lenses, make sure to first speak to your eye doctor to ascertain if you definitely are a candidate. You never know…hard lenses could be the perfect match for you!