“ Optic nerve vs retina Given that artificial retinas have to be connected into the optic nerve, why not focus effort on replacing the retina? (read full comment) ” 

Posted on October 24, 2007 at 5:59 PM EDT

“ Given all the money that our healthcare system has invested in the status quo, what else did you expect? (read full comment) ” 

Posted on October 27, 2006 at 3:02 PM EDT