Rigid Gas Permeable Contact Lenses
Rigid Gas Permeable Contacts (RGP) are defined by the hard, non-flexible material used to create them. While hard contacts were the first type of contacts to be invented, Rigid Gas Permeable lenses weren’t introduced until 1979, long after soft lens technology was introduced. Despite their age, RGP lenses are still popular, and still offer many benefits over the more popular soft lens types that are used these days. Rigid Gas Permeable contacts (also known as RGP lenses) are manufactured using a hard plastic polymer designed to allow oxygen to pass through to the eye, which increases eye health & overall comfort. Prior to 1979, hard contact lenses were not oxygen permeable, which made them uncomfortable, and harder to take care of.
Benefits of Rigid Gas Permeable contact lenses
- Superior optics in comparison to soft lenses
- More durable material which resists tears & distortion
- Resistant to protein & particle buildup
- Superior to soft lenses when being used to correct astigmatism or more complex eyesight problems
Drawbacks of Rigid Gas Permeable contact lenses
- Require daily upkeep of lenses
- Can be expensive if early replacements are necessary (if lenses are broken or misplaced)
- Are uncomfortable until eyes adapt to lens
- Need to be worn daily to retain comfort levels during wear (not ideal if switching between glasses & contacts)
Overall, RGP contact lenses can be a great choice for daily lens wearers who are picky about their vision. RGP style contacts are available in all different curvatures, including multifocal, toric, and traditional.
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