br> Source: Xinhua | 2016-08-16 01:04:05 | Editor: huaxiabr>A team of Chinese ophthalmologists are conducting free cataract surgeries for Sudanese patients in Khartoum, Sudan on August 15, 2016. (Xinhua photo)KHARTOUM, Aug. 15 (Xinhua) -- A team of Chinese ophthalmologists have started to conduct free cataract surgeries for Sudanese patients in Khartoum as part of" />