So you want to learn about new hard contacts. Hard contacts are also known as gas permeable – GP, or rigid gas permeable – R GP. These rigid gas permeable hard contacts are very different from the old hard contacts that people had to wear before soft contacts came out in the 1970s. Instead, what these GP hard contacts are all about is increasing the wearer’s vision without sacrificing comfort.

First, a little bit of history about the hard contacts of old. Hard contacts were made of PMMA, a rigid non- gas permeable material that was made obsolete with the invention of soft contact lenses in the early 1970s. The problem with PMMA hard contact lenses were that they were not gas permeable and therefore did not let oxygen reach the eye. They were also very rigid and uncomfortable.

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GP hard contact lenses can provide better vision and work at correcting more vision problems than other contact lens options. Rigid GPs are also more durable and resistant to dust and dirt deposits, while still maintaining excellent gas permeability. One of the main draws about rigid GP hard contacts is they are long lasting, and therefore less expensive in the long run, than soft contacts.