An automated mechanical device separates the epithelial layer of a cornea from the cornea. The device includes a separator such as a plate, wire or dull blade. The device can preserve a separated epithelial layer as a disk without rupturing the disk and without substantial epithelial cell loss. The epithelial...http://www.google.com/patents/US7708750?utm_source=gb-gplus-sharePatent US7708750 - Device for separating the epithelium layer from the surface of the cornea of an eye
