NR600 System Retinal Prosthesis for Patients With Retinal Degenerative Diseases

Inclusion Criteria: * Have confirmed diagnosis of end-stage hereditary outer retinal degeneration such as RP or cone-rod dystrophy * Visual acuity in both eyes from light perception to no light perception * Confirmed functional ganglion cells and optic nerve in the implanted eye * History of useful vision * Mentally competent Exclusion Criteria: * Diseases or condition that affect retinal and or optic nerve function * Optic Nerve diseases * Diseases or conditions that, in the judgement of the surgeon, impede the ability to implant the device or would prevent the system from functioning * Dry eye * Pre-disposition to eye rubbing * Posterior pole severe staphyloma * Strabismus superior to 10 prismatic diopter * Severe nystagmus * Corneal endothelium density \< 1500 cells/mm2 * Refractive error ≥±8 diopters spheric and 3.5 diopter cylindric * Currently pregnant (female subject) or inadequate contraceptive treatment in female subjects \<50 years of age. * Hyperthyroidism or hypersensitivity to iodine * Neurological and/or psychiatric diseases (e.g. M. Parkinson, epilepsy, depression) * Participation in another study with any investigational drug or device that may conflict with the objectives, follow-up or testing of this study * Conditions likely to limit life to less than 1 year from time of recruitment to the study