His problem was in his cornea & there are only 10 cases of it in North America. To do this operation they need a perfect adult stem cell match, which was compared to getting a donor kidney. With ACTC stem cells-NO match would have been necessary. The cost of finding a donor and growing that donors cell make it unpractical compared to what ACTC will deliver. We should view this as article as boost for our technology which delivers pure cells that will perform better and eliminate the chance of rejection.