Lutein supplementation or green vegetables.
Lavine
J B
JB
D002386:Cataract / Q000517:prevention & control; D019587:Dietary Supplements / Q000191:economics*; D006801:Humans; D014975:Lutein / Q000378:metabolism* / Q000627:therapeutic use; D014675:Vegetables / Q000378:metabolism* / Q000502:physiology
D014975:Lutein