It is the world's second leading cause of preventable blindness, and yet it's eating its way through the people of Africa. River blindness, or oncherciasis, affects more than 3 million people in Tanzania alone.
African rivers are a source of life, but worryingly, they are also a source of disease. Black flies that infect the river carry parasitic worms, which form nodules under the skin before reproducing millions of offspring, causing catastrophic results for its victims. "In this particular village, the only source of water is this river." Says Dr Kabuka "They need water, for washing themselves and for washing their clothes." The World Health Organisation is now relying on community-based programs to help the people in the river villages of Tanzania.FULL SYNOPSIS