Question

Night blindness is caused due to deficiency of ________ in our food.

Answer 1

Hint: Night blindness is Impaired vision in faint light and in dark, because of debilitated capacity of explicit vision cells (in particular, the rods) in the retina.

Complete Answer:
- Night blindness is a sort of vision disability otherwise called nyctalopia. Individuals with night blindness have helpless vision around evening time or in faintly lit conditions.
- In spite of the fact that the expression "night blindness" infers that you can't see around evening time, this isn't the situation. You may simply have more trouble seeing or driving in dark.
- A few eye conditions can cause night blindness like nearsightedness, cataracts, retinitis pigmentosa, Usher syndrome.In different parts of the world where there is variation in nutritional diets, vitamin A deficiency can also lead to night blindness. Vitamin A, additionally called retinol, assumes a function in changing nerve impulses into image in the retina.
- The retina is a light sensitive area in the rear of your eye. Individuals who have pancreatic inadequacy, for example, people with cystic fibrosis, experience issues retaining fat and are at a more serious danger of having Vitamin A lack. This puts them at more serious danger for creating night blindness.
- Night blindness is caused due to deficiency of vitamin A in our food.

So the answer for the question is Vitamin A.

Note: Night blindness is caused by deficiency of Vitamin A in our food.Carrot is the best source of Vitamin A.The other sources of Vitamin A are butter, egg yolk, milk, carrots, green leafy vegetables, yellow fruits and fish liver oils.