BALTIMORE (WJZ) — A first-of-its kind surgery was performed at Johns Hopkins this week.

Neurosurgeons; Dr. Timothy Witham, Dr. Daniel Sciubba and Dr. Camilo Molina performed an augmented reality surgery on a living patient.

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During the procedure, they placed six screws in someone’s spine for a spinal fusion surgery.

This will help relieve that patient’s chronic pain.

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The technology used consisted of a headset with a see-through eye display that projects images of the patient’s internal anatomy, like bones and blood vessels.

The surgeons said it’s like using a GPS.

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This technology could help make procedures more accurate, less invasive, safer and eventually faster.