Gas permeable (GP) or rigid gas Permeable (RGP) contact lenses are made of a material that allows the passage of oxygen through the lens to your cornea and the front surface of the eye. This essentially allows your eyes to “breathe” better, thereby increasing comfort, health, and safety during contact lens wear. GP and RGP lenses offer an alternative to soft contact lenses, which are made from a hard, oxygen-permeable material.
While this type of lens is slightly less popular, it offers a number of advantages and are continuing to improve as research and technology advance.
Benefits of GP and RGP Lenses
Due to the strong material and enhanced ability to diffuse oxygen, GP lenses offer a number of benefits to the wearer. These include, but are not limited to:
GP Lenses for Astigmatism
GP and RGP lenses are ideal for individuals with astigmatism and those that may have been told that they cannot wear soft contacts. Because of the rigid nature of the lens, they retain their shape and fit custom on the eye. This allows for more clear and stable vision correction.
GP Lenses for Myopia Control and Ortho-K
Research has indicated that gas permeable lenses may be effective in slowing the progression or worsening of myopia or nearsightedness, particularly in children. GP lenses are also frequently used in Orthokeratology (ortho-k), a corrective procedure in which you wear lenses at night to reshape your cornea for improved vision during the day.
To learn more, or to schedule an exam to find out whether GP or RGP lenses would be right for you, get in touch. The Davich Optical team is here to help!
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