- Nick Morrison, M.D. and his staff at the Vein and Laser Center of Arizona, the leaders in the Southwest for the complete treatment of varicose vein problems, have now moved into the next generation for the state-of-the-art treatment. Endovenous Catheter Ablation (EVCA) with laser fiber, VNUS Closure using radio frequency catheters and ambulatory phlebectomy are advanced approaches to varicose ...www.veinandlasercenter.com