Diagnostic value of contrast sensitivity test and conjunctival impression cytology for the detection of sub-clinical vitamin-a deficiency
The results of this study indicated that neither the contrast sensitivity test nor the conjunctival impression cytology was found to be a favorable screening tool to detect sub-clinical vitamin-A deficiency and there is no correlation between the two methods.
Prevalence of eye diseases in primary school children in a rural area of Tanzania
- Medicine, EducationThe British journal of ophthalmology
The prevalence of significant refractive errors was not high enough to justify a school eye screening programme solely for this purpose, but a programme may be justified in areas where trachoma is common and further research is needed to validate the frequent reports of night blindness and to establish the public health importance of vitamin A deficiency in this age group.
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Vitamin A mediated gene expression.
- BiologyCritical reviews in eukaryotic gene expression
Vitamin A in animal and human nutrition
Impaired Antibody Production in Chicks Fed Diets Low in Vitamin A, Pantothenic Acid or Riboflavin.∗
The results indicated that the dietary need for these nutrients is appreciably greater for optimum antibody production than the levels required for rapid growth.
Natural Food Sources of Vitamin A and Provitamin A
The new recommended nutrient intakes (RNI) of vitamin A published by FAO/WHO  are twotiered (table 1), with a basal level, corresponding to a recommended intake to prevent deficiency, and a safe…
Is vitamin a deficiency a public health problem in underprivileged school boys (5–15 years)?
Nutritional impact of anti-parasitic drugs, prophylactic vitamin A and iron-folic acid on underprivileged school girls in India