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A non-RGP lens is a soft contact lens, meaning it is not rigid gas permeable (RGP). Soft lenses are made of flexible, water-retaining plastic that conforms closely to the shape of the cornea. They are the most common type of contact lens used for daily wear due to their immediate comfort.
read more about non RGP lens ...Soft lenses are categorized by their replacement schedule.
Soft lenses primarily correct vision by laying over the cornea, acting as a new refracting surface. They maintain their shape through hydration. The soft material allows high oxygen flow, which is needed to keep the cornea healthy during wear.
Most people choose non-RGP lenses because of their comfort. The soft material is easy to adapt to and feels natural quickly. They are also stable on the eye, making them a preference for sports and active lifestyles.
Soft lenses are more comfortable but are less durable and may not correct complex astigmatism as precisely as RGP lenses. RGP lenses allow better oxygen flow than older soft lenses but require a longer adjustment period.
Yes, all daily disposable lenses are soft, non-RGP lenses.
Yes, specialized soft lenses called toric lenses correct astigmatism.
No, soft lenses have a shorter lifespan, often lasting only one day to one month.
If you currently wear rigid (RGP) lenses but find them uncomfortable, ask your doctor if you are a candidate for modern daily disposable soft lenses. Advances in material science now allow soft lenses to correct high levels of astigmatism and presbyopia with greater initial comfort.
Contact Lens Spectrum. Soft vs. RGP: Making the Choice (clspectrum.com). 2023.
BCLA. Types of Contact Lenses (bcla.org.uk). 2024.
AAO. Contact Lenses: Hard and Soft (aao.org). 2024.
FDA. Contact Lenses: Soft and Rigid (fda.gov). 2024.