A 2 year old child shows stunted growth and slow brain development. He has thin limbs and also shows wasting of muscles. There is great oedema and swelling present over his body parts. He has very less amount of fat present beneath his skin. Which of the following could be a reason for the development of this condition in him?

(a) A 1-3 years old child is underweight, has stunted growth, poor brain development, loss of appetite anaemia, protruding belly, slender legs and bulging eyes. What type of deficiency disease is he suffering from? (b) A person is suffering from bacterial growth in eyes, thickening, keratinization and ulceration of cornea. What type of deficiency disease is he suffering from?