here is some midnight reading if you and others have yet to view.
This one is from 2008 but clearly spells out major distinctions and challenges from early macular degeneration like SMD verses older patients with dry AMD via RPE adhering and performing on more hardened Bruch membrane..at least I found it interesting and I know you are aware of some of the issues. http://www.advancedcell.com/documents/0000/0244/RPE_Derived_from_ESCs_chapter49.pdf
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.