Vitamin A deficiency and xerophthalmia among school-aged children in Southeastern Asia

@article{Singh2004VitaminAD,
  title={Vitamin A deficiency and xerophthalmia among school-aged children in Southeastern Asia},
  author={Varsha Singh and Keith P West},
  journal={European Journal of Clinical Nutrition},
  year={2004},
  volume={58},
  pages={1342-1349}
}
Objective: To determine provisional estimates of the extent of vitamin A (VA) deficiency and xerophthalmia among school-aged children.Design: Literature search of published, unpublished and website-based population survey and study reports, with country-specific imputation of prevalence rates and numbers of children affected by: (1) VA deficiency based on measured or imputed distributions of serum retinol concentration <0.70 μmol/l (equivalent to <20 μg/dl) and (2) xerophthalmia, by country… CONTINUE READING

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