title: New design concepts for permeable rigid contact lenses.
abstract: Gas permeable rigid lens materials offer the opportunity to reevaluate contact lens design. This paper presents the rationale and procedures followed in the development of a design concept for the Polycon lens material.
mesh_terms: D003261:Contact Lenses; D003316:Corneal Diseases / Q000503:physiopathology / Q000517:prevention & control*; D004487:Edema / Q000517:prevention & control; D006801:Humans; D008768:Methylmethacrylates; D010101:Oxygen Consumption; D010539:Permeability; D012029:Refraction, Ocular; D012828:Silicones
chemical_list: D008768:Methylmethacrylates; D012828:Silicones