Lutein is difficult to improve vision.
Lutein is indeed good for the eyes, it can protect the retinal function of the eyes, relieve eye fatigue, but generally can not improve vision.
Loss of vision, often because of local eye lesions, such as refractive error, cataract, glaucoma, fundus disease, etc., clinical often need to be taken for different causes of the lens, drugs, surgery and other methods to improve vision, and lutein is a health care product, and can not play a therapeutic role, therefore, it is generally not possible to improve eyesight.
If the patient has vision loss, it is recommended to go to the hospital in a timely manner, after clarifying the specific causes of targeted treatment.