In his dress blue uniform and wire-rimmed eye glasses, the slightly built Manning followed a slide show of the prosecutor's hour-long opening statement, watching on a laptop computer at the defense table.
In 1991, when Second Sight's Dr. Greenberg was still in medical training at Johns Hopkins University, he watched a retinal surgeon perform a procedure where he placed a wire in a patient's eye and ran a bit of electrical current through it, and the patient saw a spot of light.