Rehabilitation is a treatment or treatments designed to facilitate the process of recovery from injury, illness, or disease to as normal a condition as possible.
Symptoms. An early symptom of vitamin A deficiency is night blindness, which is caused by a disorder of the retina. Soon thereafter, the whites (conjunctiva) and corneas of the eyes may become dry and thickâa condition called xerophthalmia.isorders that impair the intestineâs absorption of fats can reduce the absorption of vitamin A and increase the risk of vitamin A deficiency. These disorders include chronic diarrhea, celiac disease, cystic fibrosis, certain pancreatic disorders, and blockage of the bile ducts.
WHY VITAMIN A. Vitamin A deficiency is a public health problem all around the world, affecting more than 100 countries. A lack of vitamin A weakens the immune system, putting a child at greater risk of disease and early death; and it is also the leading cause of preventable child blindness.he solution for correcting vitamin A deficiency lies in improving the childâs diet â through increased consumption of vitamin A-rich foods, naturally rich or commercially fortified foods such as processed oils or sugar.