You implant the skin in the eye and after two months "it acquires a blood supply". Surgeons and doctors do great work, and especially in this article, but they

You implant the skin in the eye and after two months "it acquires a blood supply". Surgeons and doctors do great work, and especially in this article, but they deal in stuff that heals itself. From an technologist's point of view, I say it's indistinguishable from magic. No such force assists the programmer.