Abstract: The hybrid fiber-optic cannula can have a body having an implant end, a light passage extending through the body, and a light inlet end coinciding with the light passage, an optical fiber held in the body in coincidence with the light passage and oriented out the implant end, the light inlet end being opposite the implant end relative to the light passage, and a conduit extending through the body between a conduit outlet located at the implant end and a conduit inlet. A fluid and/or electrical wires, can be conveyed by the conduit, for instance.