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Contact Lens Definitions and Factiods

 

Contact Lenses 3

 

Gas-permeable lenses:

These lenses are also known as "RGPs." They are newer rigid or "hard" lenses made of plastics combined with other materials, such as silicone and fluoropolymers, which allow oxygen in the air to pass directly through the lens. For this reason, they are called "gas permeable."


 

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