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.
Vitamin A levels have a direct impact on your levels of iron. Vitamin A is required to transport iron from storage, so inadequate vitamin A levels create a functional deficiency in iron. As a result, you can also develop symptoms of iron deficiency, including pale skin, fatigue and brittle nails that split. Foods that are high in vitamin A include carrots, liver, spinach, cantaloupe and fortified foods, including milk and breakfast cereals.