As the name suggests, these contact lenses are made of a rigid, oxygen-permeable material. They are also known as gas-permeable or rigid gas-permeable lenses.
Unlike soft lenses, hard lenses retain their shape when you take them out. Hard lenses can correct various types of vision problems.
They are also available in toric and multifocal versions. Rigid lenses are custom-made! Although they may not feel as comfortable as soft lenses at first, you can quickly get used to them. Rigid lenses offer razor-sharp vision.