Changes in macular pigment optical density, and serum concentrations of lutein and zeaxanthin, in response to weight loss. Kirby M, Beatty S, Stack J, Harrison M, Greene I, McBrinn S, Carroll P, Nolan JM. British Journal of Nutrition. December 2010.

Changes in macular pigment optical density, and serum concentrations of lutein and zeaxanthin, in response to weight loss. Kirby M, Beatty S, Stack J, Harrison M, Greene I, McBrinn S, Carroll P, Nolan JM. British Journal of Nutrition. December 2010.