Night blindness is caused by a lack of Vitamin A in the foods they eat because they eat basically rice. The reason they can't see has to do with the rod cells in their eyes without vitamin A these cells cannot produce a light-sensitive chemical called rhodopsin.
Night blindness is caused by a lack of Vitamin A in the foods they eat because they eat basically rice. The reason they can't see has to do with the rod cells in their eyes without vitamin A these cells cannot produce a light-sensitive chemical called rhodopsin.