Trachoma is responsible for the visual impairment of some 2m people. Yet this eye infection is easily treatable and preventable by using the SAFE strategy. S stands for Surgery, A for Antibiotics, F for Facial Hygiene and E for Environmental Cleanliness. Until recently however, it wasn’t clear exactly where the disease was. A global survey found out so that SAFE can be rolled out. Listen to the story here (about 12 min in).

Broadcast on BBC Radio 4, 25 February 2016 and on the BBC World Service.

Photo courtesy of Peter Nicholls / Sightsavers