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  1. Ngah NF, Moktar N, Isa NH, Selvara S, Yusof MS, Sani HA, et al.
    Asia Pac J Clin Nutr, 2002;11(2):88-91.
    PMID: 12074186
    This study determined the prevalence of ocular manifestation of vitamin A deficiency in Orang Asli (Aborigine) children. Night blindness was found in 16.0% of the children, conjunctiva xerosis in 57.3%, Bitot's spot in 2.8%, corneal xerosis in 0.5% and corneal scars in 5.6%. These findings show that history of night blindness had sensitivity, specificity and predictive value (positive) of 47.2, 98.1 and 96.2%, respectively, compared with the standard diagnosis procedure using luxometer readings.
    Matched MeSH terms: Vitamin A Deficiency/complications*
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