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Review Macular carotenoids and age-related maculopathy. free! 2006
O'Connell E, Neelam K, Nolan J, Au Eong KG, Beatty S. · Department of Ophthalmology, Waterford Regional Hospital, Waterford, Republic of Ireland. · Ann Acad Med Singapore. · Pubmed #17160199 links to free full text
Abstract: Lutein (L) and zeaxanthin (Z) are concentrated at the macula, where they are collectively known as macular pigment (MP), and where they are believed to play a major role in protecting retinal tissues against oxidative stress. Whilst the exact pathogenesis of age-related maculopathy (ARM) remains unknown, the disruption of cellular processes by oxidative stress may play an important role. Manipulation of dietary intake of L and Z has been shown to augment MP, thereby raising hopes that dietary supplementation with these carotenoids might prevent, delay, or modify the course of ARM. This article discusses the scientific rationale supporting the hypothesis that L and Z are protective against ARM, and presents the recent evidence germane to this theory.
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