The retinal vascular system is the only part of the human body available for direct. in vivo inspection. Noninvasive retinal markers are important to identity patients in risk of sight-threatening diabetic retinopathy. Studies have correlated structural features like retinal vascular caliber and fractals with micro- and macrovascular dysfunction in diabetes. https://www.freaknleather.com/product-category/exothermic-cutting-equipment/