The ability to see clearly during the day without glasses or contact lenses at no surgical risk is now a reality. Orthokeratology, also known as Ortho-K, is a treatment for myopia which utilizes specialized rigid gas permeable contact lenses. These ultra gas permeable lenses gently reshape the front of your eye as you sleep. In the morning the lenses are removed and clear vision is restored throughout the day. Most often vision improvements come after the first night of wear and can remain stable all day just after two weeks of night wear. Correct your vision while you sleep with safe therapeutic lenses and enjoy great vision all day without the hassle of glasses and daytime contacts.