"It’s like having a GPS navigator in front of your eyes in a natural way so you don’t have to look at a separate screen to see your patient’s CT scan.”

—Neurosurgeon Timothy Witham, describing the use of augmented reality in the operating room, which is now being used by Johns Hopkins spine surgeons. The technology consists of a headset with a see-through eye display that projects images of the patient’s internal anatomy such as bones and other tissue based on CT scans — essentially giving the surgeons X-ray vision. Learn more.