Glaucoma is a disease that affects the optic nerve and can lead to permanent blindness if left untreated.

While there is no known cure, there are certain vitamins and nutrients that have been found to help protect against the onset and progression of glaucoma. Here are the top 30 foods high in glaucoma-fighting vitamins:.

Vitamin A

Vitamin A is essential for maintaining healthy eyesight, and can help protect against certain eye diseases like glaucoma.

1. Carrots

Carrots are one of the best sources of vitamin A, with just one medium carrot providing more than 200% of your daily recommended intake.

2. Sweet Potatoes

Sweet potatoes are another excellent source of vitamin A, with one medium sweet potato providing over 400% of your daily recommended intake.

3. Spinach

Spinach is a leafy green vegetable that is rich in vitamin A, with just one cup providing over 50% of your daily recommended intake.

4. Kale

Kale is another leafy green vegetable that is high in vitamin A, with just one cup providing over 100% of your daily recommended intake.

Vitamin C

Vitamin C is an antioxidant that can help protect against cellular damage in the eyes, which can lead to the onset of glaucoma.

5. Citrus Fruits

Citrus fruits like oranges, grapefruits, and lemons are rich in vitamin C, with just one medium orange providing over 100% of your daily recommended intake.

6. Bell Peppers

Bell peppers are another great source of vitamin C, with just one cup of chopped peppers providing over 150% of your daily recommended intake.

7. Broccoli

Broccoli is a cruciferous vegetable that is high in vitamin C, with just one cup providing over 100% of your daily recommended intake.

8. Papaya

Papaya is a tropical fruit that is rich in vitamin C, with just one medium fruit providing over 200% of your daily recommended intake.

Vitamin E

Vitamin E is an antioxidant that can help protect against oxidative stress in the eyes, which can contribute to the onset and progression of glaucoma.

9. Almonds

Almonds are a great source of vitamin E, with just one ounce providing over 30% of your daily recommended intake.

10. Sunflower Seeds

Sunflower seeds are another excellent source of vitamin E, with just one ounce providing over 30% of your daily recommended intake.

11. Avocado

Avocado is a fruit that is high in vitamin E, with just half of an avocado providing over 20% of your daily recommended intake.

12. Spinach

Spinach is a leafy green vegetable that is high in vitamin E, with just one cup providing over 15% of your daily recommended intake.

Zinc

Zinc is a mineral that can help protect against oxidative stress in the eyes, which can contribute to the onset and progression of glaucoma.

13. Oysters

Oysters are one of the best sources of zinc, with just six medium oysters providing over 200% of your daily recommended intake.

14. Beef

Beef is another great source of zinc, with just three ounces of cooked beef providing over 40% of your daily recommended intake.

15. Chickpeas

Chickpeas are a legume that are high in zinc, with just one cup providing over 25% of your daily recommended intake.

16. Cashews

Cashews are a nut that is high in zinc, with just one ounce providing over 15% of your daily recommended intake.

Magnesium

Magnesium is a mineral that can help protect against cellular damage in the eyes, which can lead to the onset of glaucoma.

17. Pumpkin Seeds

Pumpkin seeds are one of the best sources of magnesium, with just one ounce providing over 150% of your daily recommended intake.

18. Spinach

Spinach is a leafy green vegetable that is high in magnesium, with just one cup providing over 25% of your daily recommended intake.

19. Almonds

Almonds are a nut that is high in magnesium, with just one ounce providing over 20% of your daily recommended intake.

20. Black Beans

Black beans are a legume that is high in magnesium, with just one cup providing over 30% of your daily recommended intake.

Omega-3 Fatty Acids

Omega-3 fatty acids can help protect against cellular damage in the eyes, which can contribute to the onset and progression of glaucoma.

21. Salmon

Salmon is a fatty fish that is high in omega-3 fatty acids, with just three ounces providing over 100% of your daily recommended intake.

22. Walnuts

Walnuts are a nut that is high in omega-3 fatty acids, with just one ounce providing over 100% of your daily recommended intake.

23. Flaxseeds

Flaxseeds are a seed that is high in omega-3 fatty acids, with just one tablespoon providing over 100% of your daily recommended intake.

24. Chia Seeds

Chia seeds are another seed that is high in omega-3 fatty acids, with just one ounce providing over 100% of your daily recommended intake.

Lutein and Zeaxanthin

Lutein and zeaxanthin are antioxidants that can help protect against cellular damage in the eyes, which can contribute to the onset and progression of glaucoma.

25. Eggs

Eggs are a great source of lutein and zeaxanthin, with just one medium egg providing over 20% of your daily recommended intake.

26. Kale

Kale is a leafy green vegetable that is rich in lutein and zeaxanthin, with just one cup providing over 25% of your daily recommended intake.

27. Spinach

Spinach is another leafy green vegetable that is high in lutein and zeaxanthin, with just one cup providing over 25% of your daily recommended intake.

28. Broccoli

Broccoli is a cruciferous vegetable that is rich in lutein and zeaxanthin, with just one cup providing over 15% of your daily recommended intake.

B-complex Vitamins

B-complex vitamins can help reduce inflammation and protect against cellular damage in the eyes, which can contribute to the onset and progression of glaucoma.