Macular Pigment and Visual Performance in Glaucoma Patients

The intervention will involve supplementation with the macular carotenoids (1 pill daily with a meal containing lutein, zeaxanthin, mesozeaxanthin) for six months, to determine the effects on visual performance in glaucoma patients.

This intervention involves an inert pill (1 pill daily with a meal) that contains only sunflower oil, for six months.