Lutein for eyes is differentiated between adult and children’s, and the price is usually in the hundreds of dollars. But the price of each brand is also different. Generally between 100 to 500. Lutein promotes retinal development while also preventing blue light from damaging the retina, preventing vision loss and making our eyes see more clearly. In order to prevent the occurrence of myopia, you can supplement lutein in moderation. Lutein can improve the function of the optic nerve, relieve dry eyes, asthenia, visual fatigue, so that the retinal function has been strengthened, can be effective is the prevention of myopia, but also can be effective in preventing macular degeneration and the high incidence of retinitis pigmentosa. In addition, moderate supplementation of lutein can also improve the ability of humans to see in the dark in the environment, will also significantly reduce the incidence of night blindness. According to the various functions of lutein, there are several groups of people are more applicable, such as staff who often use computers or cell phones, specific people who need to work in the midday sun, people suffering from ophthalmic diseases, etc. Regularly and quantitatively consume lutein is beneficial to the eyes; however, the consumption of lutein should also pay attention to the appropriate amount of consumption.