Figure 2. Primary End Point of Macular Pigment Optical Density (MPOD) Measured by the Modified Heidelberg Retina Angiograph (Heidelberg Engineering) at 0.98° Eccentricity for the Treated and Placebo Participants.

Shown are results in the 2 study groups. L + Z indicates lutein plus zeaxanthin; M6, 6 months; and M12, 12 months.