Yes, spinach can lead to people's eyes whiter. It is good for the eyes. Spinach contains large amounts of antioxidants which has anti-aging effect, promote culture cell proliferation, activate brain function and enhance the vitality of youth. If old people eat spinach 2 to 4 times a week, they could reduce the risk of retinal degeneration. Spinach can preserve vision, mainly due to its A carotenoid material. This material can prevent sunlight networks which can be caused by membrane damage. The carotene contained in the body can change into vitamin A which helps to maintain healthy vision and epithelial cells which are often combined with the protein in spinach riboflavin and iron phosphorus and other inorganic salt content. Eating spinach can be good for the eyes which could make the eyes become moisture and bright.