Fifty-two subjects were supplemented and followed for @ months , @ of them were in intervention Group @ ( @ mg/day lutein and @ mg/day zeaxanthin ) ; @ in Group @ ( @ mg/day meso-zeaxanthin , @ mg/day lutein , and @ mg/day zeaxanthin ) ; and @ in Group @ ( @ mg/day meso-zeaxanthin , @ mg/day lutein , and @ mg/day zeaxanthin ) .