Binh Vo holds her son Hung Nguyen, 11, as they wait for Dr. James Brandt to examine him post surgery. Nguyen underwent surgery on his right eye to help reduce the amount of blindness due to glaucoma. Nurse Trinh Hoa looks on at left. Photo taken Wednesday, April 15, 2008. Kevin German / email@example.com..ORBIS Flying Eye Hospital brought doctors, nurses and specialists from all over the world to Ho Chi Minh City, Vietnam from April 7-18, 2008. The ORBIS program contributed to the efforts of Ho Chi Minh City Eye Hospital in fighting avoidable blindness by educating local ophthalmologists to diagnose and manage pediatric blindness, retinal disease, oculoplastics, and blindness due to glaucoma..