Vitamin A deficiency is one of the most common causes of night blindness. An insufficient amount of vitamin A in the body affects the production of rhodopsin, the necessary pigment for night vision. Night blindness is usually one of the first signs of a vitamin A deficiency.
What are the causes of night blindness?
Night blindness has many possible causes, including:
- Myopia (nearsightedness).
- Glaucoma medications that work by constricting the pupil.
- Cataracts.
- Retinitis pigmentosa.
- Vitamin A deficiency, especially in individuals who have undergone intestinal bypass surgery.
- Diabetes.
What causes night blindness Class 8?
- Night blindness is caused due to deficiency of vitamin A in our food. So the answer for the question is Vitamin A.