A Chinese doctor conducts cataracts surgeries at Windhoek Central Hospital in Windhoek, Namibia on May 15, 2018. In Namibia and many other developing countries, cataracts are the main cause of blindness. Yet getting a timely surgery to cure the disease is difficult in Namibia, a country with merely six ophthalmologists. This is the main reason why five Chinese doctors and three nurses have visited the African country. In about a week's time starting on Monday, they will conduct some 200 surgeries in Namibia's capital Windhoek and the rural area of Rundu. To go with Feature: Chinese eye surgeons win hearts in Namibia. (Xinhua/Lyu Tianran)