Retinal Prosthesis Provides Light and Darkness Differentiation From: Product Design & Development - 10/15/2014 Larry Hester, 66, has been blind for half his life from a condition called retinitis pigmentosa. In September, 2014, an electronic stimulator was surgically implanted in his left eye. On October 1st, 2014 Duke eye surgeon Dr. Paul Hahn turned it on for the first time. While the device does not restore vision in the normal sense, it provides light-and-darkness differentiation. He's the seventh person in the United States to receive the visual aid since the device, known as the Argus II Retinal Prosthesis System, was approved by the FDA. Read the entire article and view a video (3:49) at: http://www.pddnet.com/videos/2014/10/retinal-prosthesis-provides-light-darkness-differentiation http://www.mdtmag.com/videos/2014/10/retinal-prosthesis-provides-light-darkness-differentiation Links: NC's first bionic eye recipient sees for first time in 33 years http://www.dukemedicine.org/blog/#!/ncs-first-bionic-eye-recipient-sees-first-time-33-years After 30 years, bline man sees with bionic eye http://www.today.com/health/after-30-years-blind-patient-can-see-bionic-eye-2D80202082 Argus II Retinal Prosthesis System http://www.2-sight.eu/ee/product