Green vegetables such as spinach, water spinach, and broccoli are rich in lutein and zeaxanthin. Both nutrients play an important role as natural sunscreens that protect the eyes from UV rays. Additionally, lutein and zeaxanthin also help reduce the risk of macular degeneration and decrease the risk of cataracts.

Rich in beta-carotene, potassium, and fiber, sweet potatoes help maintain eye health by ensuring an adequate supply of vitamin A. Beta-carotene in sweet potatoes can be converted into vitamin A, which is important for preventing dry eyes, cataracts, and overall eye health. There is also evidence that this content can slow down the decline in macular function.