How can you get night blindness

summary

You've all heard that when it's very late, if it's dark and there's an animal called sparrow, it won't be able to see what's in front of it. In fact, night blindness is the truth. Let's popularize the science on how to get night blindness.

How can you get night blindness

First, first of all, understand that night blindness is divided into congenital night blindness and acquired night blindness. Congenital night blindness is mainly caused by retinitis pigmentosa and poor development of rod-shaped cells, which is basically incurable. However, eat more food containing vitamin A can play a slightly alleviating role.

Second, there is temporary night blindness. This is due to the lack of vitamin A in the diet or digestive system diseases that affect the absorption of vitamin A. This kind of night blindness is temporary. If you eat more food containing vitamin A, you will be cured soon. Such as pig liver, carrot, cod liver oil, etc.

Third, there is another kind of acquired night blindness. It is mainly caused by some pathological changes. In this case, you should go to the hospital for treatment, and then treat symptomatically according to the cause, which will change slowly. It is very important to insist on cooperation with treatment.

matters needing attention

If there is a case of night blindness, we must not be discouraged, and can not ignore such a situation, to add more vitamin A, if not pay attention to serious words may be as blind. Taking a lot of vitamin A can improve in a few hours.