 LOS ANGELES--BUSINESS WIRE--Second Sight Medical Products NASDAQ:EYES a leading developer and marketer of implantable visual prosthetics that are intended to create an artificial form of useful vision for blind individuals, today announced U.S. Food and Drug Administration FDA has approved the Argus 2s Retinal Prosthesis System, a redesigned set of external hardware glasses and video processing unit initially for use in combination with previously implanted Argus II systems for the trea 