"Gas permeable contact lenses: an overview".
D003261:Contact Lenses / Q000592:standards*; D003263:Contact Lenses, Hydrophilic / Q000592:standards*; D006801:Humans; D008768:Methylmethacrylates / Q000592:standards; D010100:Oxygen; D010539:Permeability; D012828:Silicones / Q000592:standards
D008768:Methylmethacrylates; D012828:Silicones; D010100:Oxygen