Scleral lenses are custom made, large-diameter gas permeable contact lenses designed to vault over the entire cornea and rest lightly on the white of the eye, called the conjunctiva and sclera, below.  These specialty lenses hold a tear reservoir, which continuously “bathes” the surface of the eye. This tear reservoir helps to heal the surface of the eye in conditions where the ocular surface is damaged due to moderate to severe dryness.  They are also used in cases of irregular