Little to no accessible, preventative diagnostics exist for the 37 million diabetic Americans at risk for severe complications that result from arterial insufficiency. These complications can include foot ulcerations, lower extremity amputations, and even death. Observing hyperemic responses, or the return of blood to tissues after blanching, gives doctors a unique insight into microvascular health. Using affordable technology, the NIRVA device offers a point-of-care metric to track the progression of arterial insufficiency. The device is novel as it utilizes a repeatable load with NIR spectroscopy to analyze vascular function under stimulated occlusion.