Night blindness
From Simple English Wikipedia, the free encyclopedia
Night blindness is a disease of the human eyes. People who are night blind are unable to see in the dark or have great difficulty to see in the dark. Sometimes the disease is there since birth, and sometimes it is caused in life by external factors (like for example a wounding of the eyes, or a diseases of the retina,or a lack of Vitamin A).
Doctors call the disease Nyctalopia.