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What vascular surgery loupes need to do
The visual demands of vascular work are concentrated at the anastomosis. Each suture passes through arterial wall measured in tenths of a millimeter, the suture itself is 6-0 or 7-0, and the consequences of imprecision are visible immediately as bleeding or delayed as failed grafts. The work also tends to happen in deep cavities — abdominal aorta, infrainguinal vessels, supraclavicular access — which puts working distance and lighting on equal footing with magnification.
