We travelled several hours out of Dhaka with a team from the British-based charity Sight Savers International to collect Al-Amin and take him to an eye hospital in the capital.

In the village Al-Amin let go of his mother's hand for the first time and walked straight to his father; it was his first taste of independence.

Dr Alamgir Hossain, of Sight Savers International, said: "Before the surgery these children need help with everything and are a burden on their families.

This is cache, read story here