FTL and hereditary hyperferritinemia with congenital cataracts: The underlying molecular defect in both the early reports of HHCS was identified as point mutations in the 5' untranslated region (5'UTR) of the L-ferritin gene (FTL), in the region corresponding to the iron-responsive element (IRE) of L-ferritin messenger ribonucleic acid (mRNA) [3,4].