 LOS ANGELES--BUSINESS WIRE--Second Sight Medical Products, Inc. NASDAQ: EYES, the Company or Second Sight, 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 that it has entered into definitive securities purchase agreements with accredited investors for a private placement that will result in gross proceeds to Second Sight of 27.9 million, before deducting placement 