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Contact Lens TypesRigid Gas-Permeable (RGP)
Made of slightly flexible plastics that allow oxygen to pass through to the eyes.
Daily-wear Soft Lenses
Made of soft, flexible plastic that allows oxygen to pass through to the eyes.
Extended-wear Lenses
Available for overnight wear in soft or RGP lenses.
Extended-wear Disposable
Soft lenses worn for an extended period of time, from one to six days and then discarded.
Planned Replacement
Soft daily wear lenses that are replaced on a planned schedule, most often either every two weeks, monthly or quarterly.
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