endovenous laser treatment treats varicose veins using an optical fiber and laser light. evlt red laser optical fiber

varicose laser leg evlt endovenous blood venous veins red vascular removal treatment spider artery human medical medicine circulation disease sclerotherapy pain healthy surgery health insufficiency capillary body cosmetic illness dilatation anatomy flow vessel valves ulceration catheter electrolysis phlebitis procedure dermatologist vessels diseases telangiectasia thrombosis therapy ulcer