Lutein tablets can improve cataracts, myopia and dry eye and other eye diseases, but the clinic should also choose the appropriate medication for treatment, lutein tablets only belong to a kind of health care products, the role is limited. Lutein is a kind of carotenoid, is the main pigment present in the macular region of the retina of the human eye. It can absorb the near blue-violet light in the spectrum, help the retina of the eye against ultraviolet rays, so it can play a role in protecting eyesight. Secondly, lutein has a strong antioxidant ability, can inhibit the activity of oxygen free radicals, so it can play an improved role in the above eye diseases. Cataracts, myopia and dry eye and other eye diseases need to go to the hospital in a timely manner to assess the condition, follow the doctor’s instructions for treatment, do not unauthorized use of medication to avoid delays in the condition.