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5. Sweet Potatoes

Sweet potatoes gained popularity in the 2000s as a "superfood" due to their high concentration of vitamins, minerals, and antioxidants. Antioxidants have been shown to aid eyes throughout the aging process by preventing cataracts and other age-related conditions. Antioxidants also help reverse oxidative stress in the eyes by eliminating free radicals in the retina. Sweet potatoes are also rich in beta-carotene, an important nutrient that aids in night vision.

Wooden board with cut and whole sweet potatoes on table, closeup Liudmila Chernetska / Getty Images

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.