Rigid gas permeable lenses are rigid contact lenses made of oxygen-permeable polymers. They are able to replace the natural shape of the cornea with a new refracting surface. This means that a regular (spherical) rigid contact lens can provide good level of vision in people who have mild astigmatism.

These types of lenses are good for eye health and can achieve highest vision than wearing soft contact lenses; although, they require a period of adaptation before full comfort is achieved.




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