The fight to cure South Sudan's mysterious neurological disorder

Dr Aja Kuol treats patients on a daily basis in South Sudan's most isolated villages. Operations last just 30 minutes and are carried out in 30 minutes. Dr Kuol is the country's first female eye doctor and is saving thousands from blindness. She is also treating thousands of South Sudanese people in remote villages.

Nodding syndrome is a distressing disease that stunts growth, harms brains and sparks convulsions. Though its cause is still unknown, there is now hope that epilepsy drugs can help afflicted children. The cause of the condition is still unclear, but epilepsy drugs could help.