BOSTON--(BUSINESS WIRE)--pSivida Corp, (NASDAQ:PSDV)(ASX:PSD)(FF:PSI), a leading drug delivery company, today announced that Dr. Paul Ashton, CEO, will lead a discussion on New Technologies in Retinal Drug Delivery at the 5th Annual Ophthalmic Drug Development and Delivery Summit to be held September 21-22, 2009 in San Diego.