Cyborg surgeon: Hand and technology combine in new surgical tool that enables superhuman precision

Normally, surgeons' tiny hand tremors are inconsequential to the task, but for doctors specializing in fine-scale surgery, such as operating inside the human eye, freehand tremors can pose a serious risk for patients. By harnessing a specialized optical fiber sensor, a new "smart" surgical tool can compensate for this unwanted movement by making hundreds of precise position corrections each second – fast enough to keep the surgeon's hand on target.

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