Eye care and health preservation: eight foods for keeping eyes old

The eye is one of the most important organs of our human body It helps us to understand the world, communicate with people, and our work and life are inseparable from the eye Therefore, we should take good care of it There are three kinds of people who need to take extra care of their eyes One is the people who use more eyes, such as white-collar workers who have been working on computers for a long time, and students who have to deal with examinations The other is the elderly With the increase of their age, the eye structure is shrinking and drying up, so they are prone to suffer from eye diseases, such as white cataract and glaucoma The third is that their own eyes are relatively fragile and prone to conditions People, such as patients with eye diseases such as tears in the wind, red eye disease, etc To protect eyes, we should not only pay attention to good health habits and living habits, but also pay attention to our own diet What kind of food should we eat, which is good for eyes? Can you keep your eyes from getting old? The most famous eye protection food, carrot contains a lot of carotene, which can be converted into vitamin A in the human body, so it is called the vitamin a source Vitamin A plays an important role in the formation of human vision It is involved in the synthesis of rhodopsin in the retina If vitamin A is insufficient, the adaptability of the eyes to the dark environment will be reduced, which may lead to night blindness in serious cases When eating carrots, we should pay attention to that carotene is a fat soluble vitamin, which needs to be combined with oil to be absorbed by the human body, so it must be cooked Lutein and zeaxanthin in egg yolk are recognized as good nutrients for eyes, which can make eyes brighter after eating These two kinds of nutrients can reduce the damage of ultraviolet to eyes, delay the aging of eyes, and prevent eye diseases such as macular degeneration and cataract Some patients with high cholesterol, high blood fat and high blood pressure should not eat too much at a time It is better to take half to one yolk a day Kelp contains not only iodine but also mannitol There is a thick layer of "white frost" on the surface of dried kelp, which is mannitol in kelp Mannitol has diuretic effect, can reduce intraocular pressure, and has a good effect in the treatment of acute glaucoma It also contains a lot of lutein and zeaxanthin, which can protect the eyes, have strong antioxidant effect, absorb harmful light into the eyes, and maintain the health of macula Rich in potassium, calcium and magnesium, it can help the eye muscles to strengthen their elasticity, and is not prone to myopia In addition, it is a good source of vitamin B2 and β - carotene When vitamin B2 is sufficient, the eyes are not easy to be covered with bloodshot; and β - carotene can be converted into vitamin A in the body to prevent dry eye disease and other diseases There is a high content of vitamin C in the lens of the eye As an antioxidant, vitamin C can protect the eyes If lacking vitamin C, cataract will occur easily Kiwifruit's vitamin C content is very high in many fruits "Compendium of Materia Medica" records: "Chinese wolfberry, kidney and essence, liver and eyesight The eye protecting effect of Lycium barbarum also depends on zeaxanthin Eating Lycium barbarum can reduce the ultraviolet stimulation and protect the optic nerve from damage The best and easiest way to give full play to the eye protecting effect of Lycium barbarum is to chew it up and eat it Generally healthy adults eat about 20 grams of Lycium every day is more appropriate If it is dry to chew wolfberry, eat half of the amount, otherwise it is easy to over nourish The content of vitamin A in animal liver is far more than that of milk, egg, meat, fish and other foods, which can maintain normal growth and reproductive function, protect eyes, maintain normal vision, and prevent eyes from dryness and fatigue.