Vitamin A Deficiency: The Nature and Magnitude of the Problem

  • Donald S. McLaren
Part of the Nutrition and Food Science book series (NFS, volume 3)


Xerophthalmia due to vitamin A deficiency is one of the major nutritional deficiency disorders affecting mankind at the present time. It is important to consider it at two levels. At the first level, that of vitamin A deficiency itself, entire populations in many developing countries are affected to a varying degree. At the second level, that of severe deficiency resulting in blindness due to xerophthalmia, we are primarily concerned with the vulnerable groups of very young children and to a lesser extent pregnant and lactating women.


Lactate Woman Night Blindness Conjunctival Xerosis Severe Clinical Form Plasma Retinol Level 
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Copyright information

© Springer Science+Business Media New York 1980

Authors and Affiliations

  • Donald S. McLaren
    • 1
  1. 1.Reader in PhysiologyUniversity Medical SchoolEdinburghScotland

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