Lutein (lutein tablets medication) has the effect of maintaining and nourishing the eyes, and is generally not recommended for long-term use. Lutein is generally used for the nutrition of retinal nerve cells, to increase the local function of the optic cone cells, optic rod cells, lutein itself belongs to a trace element. Has the role of antioxidant, the eyes have a certain protective effect, appropriate supplementation can reduce some of the tissues of the eye injury, damage, with the maintenance, nutritional effect of the eyes. If the body’s own lack of trace elements can be treated to supplement, but if the long-term use of trace elements can easily cause accumulation of toxicity, and lutein also contains preservatives, fixing agents, etc., every day to eat may also cause damage to the gastric mucous membrane, so you can not eat every day. General lack of lutein will appear dry eye symptoms, such as dry eyes, dry, itchy, etc., this situation can be supplemented with lutein tablets to treat, can alleviate the symptoms of eye discomfort. The dosage as well as the time to be taken need to be judged according to the symptoms of ophthalmology, whether or not to improve. And lutein can also be supplemented through food, such as spinach, carrots, corn, etc., so you do not necessarily need to take lutein tablets every day.