06-13 · Xiangya Hospital, Central South University China Clinical Implantation & Procedure Xiangya IMIE Retina Trial Restores 0.1 Vision In Xiangya Hospital's invasive IMIE smart retina trial, a 61-year-old fully blind patient reportedly reached 0.03 stable and 0.1 best visual acuity, walking indoors unaided. View details →