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.
1 A diet which is rich in Vitamin A is usually the treatment and the best prevention method of vitamin A deficiency. 2  Liver, kidney, milk, cheese, cream and butter are rich sources of Vitamin A. Vitamin A can also be absorbed in the body through Carotene which is found in vegetables which have dark green vegetables.here are many symptoms of Vitamin A deficiency through which one can detect low levels of Vitamin A in the body. These symptoms are as follows, 1  Reduced vision in the night or dim light; which means that they will not be able to distinguish outlines of images in reduced illumination.