The curse of cataracts leads to blindness in millions of the world’s poorest adults. After years of darkness, they are now seeing the light, and giving thanks to the American doctor who brought them the gift of sight.
He is a doctor changing lives overnight. Geoff Tabin founded a charity, the Himalayan Cataract Project, that sends flying clinics into remote parts of Asia and Africa to carry out a simple, but transformational eye operation.
(WATCH the video below or READ the ITN story via the PBS NewsHour)