What are the food sources of night blindness?

The top food sources of Vitamin A in our area in the Gulf are dairy products, liver, and fish. The top sources of provitamin A are carrots, dates, cantaloupe, and squash. Dates are very rich with carotenoid. [9] Because people in our region consume a lot of dates, night blindness is not very common.

What is the nutrient deficiency of night blindness?

Night blindness (in which it is difficult or impossible to see in relatively low light) is one of the clinical signs of vitamin A deficiency, and is common during pregnancy in developing countries.

How is night blindness caused for Class 8?

– Night blindness is caused due to deficiency of vitamin A in our food. So the answer for the question is Vitamin A.

Why is night blindness caused?

Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable. Corrective lenses, such as eyeglasses or contacts, can improve nearsighted vision both during the day and at night.

What is the main cause of night blindness?

Possible Causes Glaucoma medications that work by constricting the pupil. Cataracts. Retinitis pigmentosa. Vitamin A deficiency, especially in individuals who have undergone intestinal bypass surgery.

Which food component may be lacking in his diet for night blindness?

(b) Deficiency of vitamin A causes night blindness. Hence vitamin A might be lacking in his diet.

What is the night blindness?

Night blindness (nyctalopia) is your inability to see well at night or in poor light such as in a restaurant or movie theater. It is often associated with an inability to quickly adapt from a well-illuminated to a poorly illuminated environment.

Which food component may be lacking?

Explanation: Minerals and vitamins are needed in very small quantities by our body as compared to other components, yet, they are an important part of a balanced diet.

Which deficiency disease is he suffering from B which food component may be lacking in his diet c suggest some food items that he should include in his diet any four?

He also advised him to include a few food items in his diet. (a) Which deficiency disease is he suffering from? (b) Which food component may be lacking in his diet? (c) Suggest some food items that he should include in his diet, (any four) Boojho is suffering from night blindness.

How can I improve night blindness?

Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable. Corrective lenses, such as eyeglasses or contacts, can improve nearsighted vision both during the day and at night. Let your doctor know if you still have trouble seeing in dim light even with corrective lenses.