Kale, Collards And Spinach Protecting Aging Eyes

Kale, Collards And Spinach Beat Carrots For Protecting Aging Eyes | ENCOGNITIVE.COM:

They then zeroed in on lutein and zeaxanthin, found in dark greens like kale and spinach, because these two carotenoids are concentrated in the yellowish macular pigment of the retina. As antioxidants, lutein and zeaxanthin help defend the retina against free radicals plus help maintain blood vessels in the macula. They also filter out blue light, which researchers believe is the most damaging to eyesight.