Artificial Organs: Corneas from Calf Skin
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More ideas for using collagen have appeared. Unlike ordinary plastics, collagen is not watertight. Implanted in the cornea, it allows the eye's lubricants to pass freely. Partial corneas implanted between layers of eye tissue in 25 rabbits six months ago are still clear, uninflamed and unclouded, Dr. Rubin told the American Society for Artificial Internal Organs last week. And ahead lies research into uses of the new collagen as a means of understanding and treating the crippling illnesses loosely called "collagen diseases"—most notably, scleroderma (extreme thickening and stiffening of the skin) and arthritis.
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