CRITICAL ANALYSIS OF VITAMIN A DEFICIENCY (VAD) INFORMATION IN SCIENCE TEXTBOOKS OF NCERT AND STATE BOARD EDUCATION OF SOUTHERN INDIA

Dr. Aditi Vidha

Abstract


Vitamin A deficiency (VAD) is one of the most important causes of childhood blindness in developing countries. It also adds on to the morbidity from common childhood infections. VAD borne out of two main reasons: persistent inadequate intake of vitamin A that is frequently exacerbated by others dietary circumstances, and a high frequency of infections.[1]

Worldwide, around 2.8 million preschool-age children are at risk of blindness from VAD, and many more have serious risk to vision. Roughly 250, 000 to 500, 000 children become blind owing to vitamin A-deficiency every year. In India prevalence of VAD is 0.7%. It is considered under clinical category for public health importance by World Health Organization (WHO). [2]   


Keywords


VAD, NCERT textbooks

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References


Barclay AJ, Foster A, Sommer A. Vitamin A supplements and mortality related to measles: A randomised clinical trial. Br Med J (Clin Res Ed) 1987; 294 : 294-6.

Unit N, World Health Organization, UNICEF. Global prevalence of vitamin A deficiency. Geneva: World Health Organization; 1995.


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