Lung’or initially faced resistance, but after the first patient she took for surgery went home able to see, confidence grew. ‘My grandfather told us about trachoma, and the local way where they use herbs, and scratch the patient’s eye. This was making things worse, many people went blind … I put all my mind on learning about trachoma so I’ll be able to educate my people and reduce their pain,’ she says.

Photograph: Tommy Trenchard/Sightsavers