Yes, the lutein is of great importance to the eyes which will to some degree help the vision. Lutein is coexisted with corn flavin. It is constituted in fruits, vegetables, flowers and other plant pigment. The main components are in the chloroplasts of leaves, which will absorb the light energy and transfer to chlorophyll. It has the protective role which constitutes the human eye macula of the main pigment. The light irradiation, especially the short light, will do the great harm to the human body, with mass consumption of lutein. And the lutein in the human body can't synthesis. However, we can get the lutein from the food supplement. We could eat variety of green vegetables to increase the lutein in our body, such as spinach, mustard lettuce, broccoli, white gourd, green radish, corn and so on. Keeping the lutein in our body will we have the good eye vision.