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Question

Mention the food constituents which may be lacking in one's diet, in case of the following.
A person suffering from poor eyesight


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Solution

Poor eyesight (Night blindness):

  1. Night blindness is a disease that is caused due to deficiency of vitamin A in food.
  2. Some of the food sources of vitamin A are vegetables, fruits, and dairy products.
  3. So, a person suffering from poor eyesight lacks all these mentioned food constituents in their diet.
  4. Symptoms of night blindness include poor vision in dim light and dryness of the cornea.

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