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Our artificial corneas are based on a commercially available polymer which absorbs no water and allows no cells to grow on it," says IAP project manager Dr. Joachim Storsberg.
...We lay masks on them and apply a special protein to the edge of the cornea, which the cells of the natural cornea can latch onto. In this way, the cornea implant can firmly connect with the natural part of the cornea, while the center remains free of cells and therefore clear...What is special about this protein is that it can survive the later thermal sterilization of the artificial cornea without being damaged, as it does not have the three-dimensional structure typical of large proteins.