A world-first AI-assisted brain surgery used live artificial intelligence to help surgeons identify critical anatomy while removing a vision-threatening pituitary tumor. Medindia » News » Health In Focus » How Did World-First AI-Assisted Brain Surgery Help Save a Patient's Sight? The pioneering operation was performed at the National Hospital for Neurology and Neurosurgery (NHNN), UCLH, as part of a clinical trial using AI technology developed at University College London.