Varicose veins are veins that have grown to be enlarged. As opposed to remaining pumped easily throughout the veins, blood has a tendency to pool in varicose veins, building them bulge out and look gnarled. The proceduralist applies radiofrequency or laser Power to your enlarged vein from the catheter's tip. https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/