Position and Microscope
Microsurgery is done using a double-headed operating microscope with automated (foot pedal, fingertip or mouth control) zoom, focus and X/Y controls. Most work is done between 10X and 20X magnification. Surgeon and assistant sit opposite each other. Stool, table and scope-head height must allow a comfortable position with straight back, forearms horizontal supported by pads and feet flat on the floor. Comfort is critical because tension and fatigue exaggerate one's natural tremor. Tremor reduction is achieved through relaxation. The harder one tries to control tremor, the worse it gets. Short intervals of rest are helpful. The operators' eyes should never leave the field while working to avoid eyestrain from changing focal distance. Microsurgery requires good binocular vision (for depth perception) and ambidextrous manipulation.
Instruments
A basic set of microsurgery instruments includes, from left to right, clamp applicator, needle driver, scissors, curved and straight forceps. The long instruments measure about 15 cm.
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