Appropriate lutein supplementation has benefits such as maintaining long-lasting vision, but the benefits are relatively limited. Lutein is a carotenoid found in high levels in foods such as corn, papaya, pumpkin, goji berries, spinach, and cabbage. The general population from the food supplementation of lutein for eye vision is a certain amount of benefits, because lutein for the eyes is a kind of antioxidant, with the maintenance of vision persistence, help the retina against ultraviolet rays and other benefits, but the benefits are relatively limited. For some special people or those who suffer from eye diseases, lutein can be properly supplemented on a daily basis, such as airplane pilots, cataracts, glaucoma, strabismus and other people. In addition to supplementing lutein from food, if you suffer from eye diseases, you should also follow the doctor’s instructions to apply the relevant drugs to achieve the purpose of treating the disease, but do not blindly use drugs. Daily attention should be paid to a balanced diet to ensure a balanced intake of nutrients. You should also pay attention to the protection of eyesight, avoid playing with cell phones for a long time, watching TV or reading in a dark environment, etc., and pay attention to regular medical review of eyesight. It is recommended to consult the ophthalmology department of regular hospitals and take lutein supplements under the guidance of doctors.