Yemen: Yemeni town residents see at night and become blind at day.
Khashab village-Lahij district-Yemen 10-12-2016
A rare phenomenon made the Yemeni doctors and researchers wonder, as the people of the town “Kashaba”, located to the north of Lahij southern Yemen become blinded during the day, while the population of this small town can see well at night and in total darkness. Doctors said that this disease is a hereditary disease in the village.