[header] How to strengthen eyesight [title] Increase your lutein intake. [step] Lutein is a nutrient sometimes known as the eye vitamin. Consuming up to 12 mg per day of lutein can help slow the advance of age-related macular degeneration and other eye-related ailments. 
Foods rich in lutein include : [substeps] Green leafy vegetables. Kale, broccoli, and spinach will all give you a good dose of lutein.