A method of transplanting a graft in the subretinal area of a host eye comprises preparing the graft by harvesting from the donor tissue a population of cells in a manner that maintains the population of cells in the same organization and cellular polarity as is present in normal tissue of that type....http://www.google.co.uk/patents/US20030054023?utm_source=gb-gplus-sharePatent US20030054023 - Volute subretinal implants
