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Home » Rigid Gas Permeable Contact Lenses


Gas permeable contact lenses are rigid lenses made of durable plastic that transmits oxygen. These lenses also are called GP lenses, rigid gas permeable lenses, RGP lenses and oxygen permeable lenses.

GP contact lenses are rigid, but they shouldn't be confused with old-fashioned hard contact lenses, which are now essentially obsolete Many advances have been made to hard contact lenses since the 1970s to create a healthier lens for eyes. The improvements resulted in "rigid gas permeable" lenses which are slightly more flexible and allow oxygen to pass through the lenses to the cornea. They are still regarded as hard contact lenses because they maintain their shape on the eye. Rigid gas permeable contacts, also called GP or RGP lenses, have many advantages beyond healthy oxygen flow. RGPs lenses have helped slow down the development of nearsightedness in young and adult lens wearers.

Gas permeable contact lenses offer some outstanding benefits over soft lenses. For one, because GP lenses are made from a firm plastic material, they retain their shape when you blink, which tends to provide sharper vision than pliable soft lenses.

GP lenses also are extremely durable. Although you can break them (for instance, if you step on them), you can't tear them easily, like soft lenses.

Advantages of GP “Hard” Contact Lens:

  • Extremely durable
  • Easy to care for
  • Easy to handle and wear
  • Do not dehydrate
  • Retain their shape
  • Offer clear, crisp vision
  • Correct most astigmatism
  • Available as bifocal and multifocal
  • Available in various colors and costume designs
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