Akuffo KO, Beatty S, Stack J, Dennison J, O’Regan S, Meagher KA, Peto T, Nolan JM. Ophthalmic Epidemiology. April 2014.
Link to Study: Central Retinal Enrichment Supplementation Trials (CREST): Design and Methodology of the CREST Randomized Controlled Trials. Akuffo KO, Beatty S, Stack J, Dennison J, O’Regan S, Meagher KA, Peto T, Nolan JM. Ophthalmic Epidemiology. April 2014.
Summary: Xanthosight improves 1) Contrast Sensitivty, 2) Macular Pigment, 3) Visual Acuity, 4) Glare sensitivity, 5) Photostress recovery, 6) cognition, 7) visual perofmrance