Astaxanthin is known as a "super nutrient" and has excellent effects in protecting the eyes. Dr. McDonald emphasized that it can effectively protect the eyes from the threats of cataracts, macular degeneration, and blindness. This is not an exaggeration, as numerous studies have confirmed the positive effects of astaxanthin on the eyes. In daily life, we can obtain astaxanthin by consuming specific foods. Seaweed is a high-quality ingredient rich in astaxanthin, and wild salmon is also a good source of astaxanthin. However, it should be noted that it is wild salmon rather than farmed salmon.

Omega-3 fatty acids are crucial for eye health, especially in preventing dry eye syndrome and age-related macular degeneration. Fish is the main source of Omega-3, and oily fish such as salmon and tuna are simply the "treasure trove" of Omega-3. The research results mentioned by Dr. MacDonald are impressive. People who eat tuna, sardine, herring, salmon and other oily fish at least once a week are 50% less likely to suffer from neovascular (wet) macular degeneration than those who eat fish less than once a week. This fully demonstrates the importance of Omega-3 for eye health. Omega-3 fatty acids in oily fish can provide necessary nutritional support for the eyes and maintain their normal physiological function. It is like the "lubricant" for the eyes, reducing the occurrence of dryness and reducing the risk of macular degeneration.

Anthocyanins are a powerful "helper" for eye health and are abundant in many common fruits. Blueberries, cranberries, and especially blackcurrants are all major sources of anthocyanins. These small fruits contain enormous energy and play a crucial role in maintaining the health of the cornea and blood vessels in various parts of the eye. Anthocyanins are like the "guardians" of the eyes, constantly monitoring the health of the eyes. It can help maintain the transparency of the cornea, making our eyes clearer and brighter. At the same time, it also has a good protective effect on the blood vessels in the eyes, ensuring the normal circulation of blood and providing sufficient nutrition for the eyes. Moreover, anthocyanins have shown excellent performance in reducing the risk of eye diseases, effectively reducing the incidence of cataracts and macular degeneration.

The role of vitamin D in eye health cannot be ignored, as its sources are quite extensive. Safe exposure to sunlight is a natural way to obtain vitamin D, and moderate sunlight can promote the body's synthesis of vitamin D. In addition, fish oil and fatty fish are also good sources of vitamin D. To a lesser extent, vitamin D is also found in beef liver, cheese, egg yolks, and certain mushrooms. Supplementing with vitamin D has many benefits for eye health, and studies have shown that it helps prevent age-related macular degeneration. As people age, their eyes are prone to various problems, and vitamin D is like a "protective god" for their eyes, safeguarding their health. It can also reduce retinal inflammation, which is an important part of the eye that receives light and transmits visual information. Reducing inflammation helps maintain the normal function of the retina.

Zeaxanthin has unique effects in protecting the eyes, as it can significantly reduce the risk of age-related macular degeneration. We can obtain zeaxanthin from many common vegetables, such as kale, broccoli, lettuce, raw spinach, and other dark green vegetables that are rich in zeaxanthin. These dark green vegetables are not only rich in zeaxanthin, but also contain various other beneficial nutrients for the eyes, making them a nutrient rich "eye protection treasure trove". Corn yellow pigment is like a "guardian" of the macular area of the eye, which can absorb blue light and reduce its damage to the eyes. With the widespread use of electronic devices in modern life, our eyes are exposed to a large amount of blue light every day, and zeaxanthin can help us alleviate the adverse effects of blue light on our eyes.

Bioflavonoids have a positive impact on eye health, and many experiments have shown that they can reduce the risk of cataracts and macular degeneration. Bioflavonoids are widely present in many foods in our daily lives, with citrus fruits, cherries, tea, and red wine being its "hiding places". Citrus fruits such as oranges, lemons, pomelos, etc. are not only rich in vitamin C, but also contain bioflavonoids. These fruits have a delicious taste and rich juice, satisfying our taste buds while also providing protection for eye health. Cherries have a bright color, sweet taste, and also contain bioflavonoids, making them a delicious and nutritious fruit. Tea and red wine also contain bioflavonoids. Drinking in moderation can not only enjoy unique flavors, but also be beneficial for the eyes.

Beta carotene is a familiar nutrient that plays an important role in protecting the eyes. Many common vegetables and fruits contain beta carotene, with carrots, sweet potatoes, spinach, kale, and walnut pumpkins being rich sources of it. Ophthalmologists point out that beta carotene can protect us from the troubles of night blindness and dry eyes. In the past, night blindness was a common eye problem, and beta carotene can to some extent prevent the occurrence of night blindness. It can be converted into vitamin A in the human body. Vitamin A is an important raw material for the synthesis of rhodopsin by retinal rod cells, which is crucial for visual perception in low light. So, consuming sufficient beta carotene can maintain normal visual function of the eyes in low light environments.

Lutein is an essential nutrient for eye health, and eggs are one of the effective sources of lutein. Eggs are a common food in our daily lives, rich in nutrients and containing various beneficial nutrients for the body, among which lutein is particularly important for eye health. Eating an egg every day can not only meet the body's needs for protein and other nutrients, but also supplement lutein for the eyes. In addition to eggs, health supplements made from marigold extract are also an important source of lutein. Marigold contains abundant lutein, which can be extracted into health products to provide a supplement for those who cannot obtain sufficient lutein from food. Lutein has a high concentration in the macular area of the eye and plays a crucial role in protecting the health of the macular region.