title: Macular pigment and age-related macular degeneration: longitudinal data and better techniques of measurement are needed.
authors.affiliation: Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland.
authors.forename: Stephen
authors.initials: S
authors.lastname: Beatty
authors.forename: Frederik J G M
authors.initials: FJ
authors.lastname: van Kuijk
authors.forename: Usha
authors.initials: U
authors.lastname: Chakravarthy
mesh_terms: D003941:Diagnostic Techniques, Ophthalmological; D004032:Diet; D006801:Humans; D014975:Lutein / Q000097:blood*; D008268:Macular Degeneration / Q000097:blood* / Q000517:prevention & control; D012168:Retinal Pigments / Q000097:blood*; D024341:Xanthophylls / Q000097:blood*; D065146:Zeaxanthins
chemical_list: D012168:Retinal Pigments; D024341:Xanthophylls; D065146:Zeaxanthins; D014975:Lutein