21 million people are affected by trachoma, an eye infection that eventually leads to blindness. Amhara province in the Ethiopian highlands has the highest prevalence in the world. It is a bacterial disease spread from one eye to another through close contact, mostly between mothers and their children, as well as by flies.
In Uganda, river blindness is a fly-borne parasitic infection that affects the poorest communities who live "where the road ends". It causes terrible itching, skin changes and blindness that devastate communities.
Lifelines is an eight-part documentary series exploring the work being done across the globe to control, eliminate and eradicate neglected diseases and conditions.