Exploratory analyses of direct comparison of lutein/zeaxanthin vs beta carotene showed hazard ratios of 0.82 ( 95 % CI , 0.69-0 .96 ; P = .02 ) for development of late AMD , 0.78 ( 95 % CI , 0.64-0 .94 ; P = .01 ) for development of neovascular AMD , and 0.94 ( 95 % CI , 0.70-1 .26 ; P = .67 ) for development of central geographic atrophy .