1. Anonymous. Zinc-responsive night blindness in sickle cell anemia. Nutr Rev 1982;40:175–7.
2. Graham JM, Haskell MJ, Pandey P, et al. Supplementation with iron and riboflavin enhances dark adaptation response to vitamin A-fortified rice in iron-deficient, pregnant, nightblind Nepali women. Am J Clin Nutr 2007;85:1375–84.
3. Alfieri R, Sole P. Influencedes anthocyanosides admintres parvoie parenterale su l’adaptoelectroretinogramme du lapin. CR Soc Biol 1964;15:2338 [in French].
4. Jayle GE, Aubry M, Gavini H, et al. Study concerning the action of anthocyanoside extracts of Vaccinium myrtillus on night vision. Ann Ocul 1965;198:556–62 [in French].
5. Belleoud L, Leluan D, Boyer YS. Study on the effects of anthocyanin glycosides on the nocturnal vision of air controllers. Rev Med Aeronaut Spatiale 1966;18:3–7.
6. Zadok D, Levy Y, Glovinsky Y. The effect of anthocyanosides in a multiple oral dose on night vision. Eye 1999;13:734–6.
7. Muth ER, Laurent JM, Jasper P. The effect of bilberry nutritional supplementation on night visual acuity and contrast sensitivity. Altern Med Rev 2000;5:164–73.