By six on a Sunday morning, the queue outside the primary school already curves around the playground. Some patients have walked from villages twelve kilometres away.

Inside, Dr Nandini Murmu and her husband Dr Prakash Murmu set up an eye-testing station on two school desks. They have done this almost every Sunday for nine years.

Cataract is the biggest enemy

Most patients have cataracts that went untreated for years, slowly turning daily work into guesswork. The couple screen, prescribe glasses on the spot and book surgeries at a partner hospital in Ranchi, with free transport both ways.

When a grandmother can see her grandchild’s face again, she does not say thank you. She just holds your hand.

They have trained 22 local health workers to do basic vision screening, so the camp can now focus on people who need a doctor most.