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.
2 PREFACE Vitamin A deficiency affects 190 million; pre-school children in the World Health Organization (WHO) regions of Africa and South East Asia 1. In South Africa in particular, 63.6 % of children age 1-9 years were found to be vitamin A deficient in 2005 National Food consumption survey.Vitamin A deficiency is a major contributor to under-five mortality and can cause visual impairment and increase the risk to illness and death due to measles and diarrhoea..2. Situational Analysis of Vitamin A supplementation in South Africa The Department of Health launched a national vitamin A supplementation (VAS) program in 2001 following the 1994 SAVACG survey which showed that vitamin A deficiency was a public health problem in South Africa.