Lutein and zeaxanthin in green vegetablesAntioxidants and phytonutrients found in green vegetables can provide benefits for eye health. Green spinach, kale, collard, dark green leaf lettuce such as romaine lettuce , and broccoli are good sources of lutein and zeaxanthin. Lutein and zeaxanthin function to protect the eyes from high-energy rays that can harm the eyes, for example are ultraviolet rays from the sun. According to some studies, lutein and zeaxanthin help improve the quality of vision, especially in low light conditions.
Not only that, if you eat foods that are rich in lutein and zeaxanthin then you can avoid eye diseases due to old age. Those who eat green vegetables are 50% less likely to develop cataracts later in life.