Hard contact lenses: where do we stand?
D002482:Cellulose / Q000031:analogs & derivatives; D003261:Contact Lenses / Q000592:standards*; D005466:Fluorocarbons; D006801:Humans; D008768:Methylmethacrylates / Q000009:adverse effects; D012828:Silicones
D005466:Fluorocarbons; D008768:Methylmethacrylates; D012828:Silicones; D002482:Cellulose; C014396:cellulose acetate-butyrate