7th MDG optometry clinic open to Active Duty retirees starting February Published Jan. 6, 2014 7th Bomb Wing Public Affairs DYESS AIR FORCE BASE, Texas -- The 7th Medical Group optometry clinic is opening its doors to accept Active Duty retirees for patient examinations starting Feb. 1, 2014. Optometry appointments can be scheduled through the appointment line at 325-696-4677 or on Tricare online at www.tricareonline.com. Eye exams for dependents of active duty and retired personnel are not supported in the 7th MDG optometry clinic at this time.