| 摘要 |
An artificial retina device and a method for stimulating and modulating its function is disclosed. The device is comprised of plural multi-phasic microphotodiode subunits, which, when surgically implanted into the subretinal space, may allow useful formed artificial vision to develop. One device, called an MMRI-4 (8), is configured in a flattened cubic shape and transduces light into electric currents to stimulate the retina. The MMRI-4 comprises two subunits in a PiN configuration (10a) and two subunits in an NiP configuration (10b), both present on each of the flattened sides, thereby allowing induced sensations regardless of which side faces incident light. Filter layers (20, 22) disposed on the PiN and NiP configurations allow for visible and infrared light respectively to induce currents. An Adaptive Imaging Retinal Stimulation System (AIRES), with a Projection and Tracking Optical System (PTOS), which may be worn as a headset, is also disclosed. <IMAGE> |
