For decades grandmas have been telling their grandchildren to eat their vegetables. Now an analysis from the University of Georgia shows that a diet rich in green leafy vegetables may help prevent age-related eye problems such as cataracts and macular degeneration. Foods like kale, spinach and collard greens are rich in nutrients like lutein and zeaxanthin. Such carotenoids seem to play a special role in visual performance.
[Journal of Food Science, December 2009]