Question

What is night blindness? how can it be cured? ☺ ☺

Answer 1

it is due to deficiency of vitamin A
in such a dessise person unable to see in night

Answer 2

Night Blindness is the type of disease in which people cannot see in night. There is less amount of Vitamin A present in the body.
This is the solution of your question. I hope that it will help you.