Rigid, gas-permeable contact lenses
These contact lenses are made of glass or a specially modified polymer. These are called rigid because they cannot be folded and would break if tried to fold it. These lenses are gas-permeable and allow more oxygen to penetrate than the soft contact lenses. They are durable but not suitable for sporty activities.
How to remove a rigid contact lens
Never try to touch the rigid lens with your finger. You can remove the lens with the plunger your optician has provided you.
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