A free medical, dental and vision clinic is open to the public at the Phoenix Convention Center right now, running through Sunday. The MegaClinic is being held in the South Hall at 33 S. 3rd Street in downtown Phoenix, from 8 a.m. to 5 p.m. September 4 through 6. It is open to anyone, at no cost. Free lunch is provided each day and free childcare is available onsite. Medical services listed include women’s health, X-rays and labs, pharmacy, minor surgery, obstetrics, sleep medicine, pediatrics, cardiology, gastroenterology and echocardiogram. Dental services include X-rays, fillings, cleanings, extractions and pediatric dentistry. Vision services include full eye exams, evaluations and free glasses. Also offered are mental and spiritual health services, financial and legal counseling, and massage and hydrotherapy. In previous years the clinic has operated on a first-come, first-served basis, so getting there early matters. The event is put on by Liberty and Health Alliance, a Pho...