Scientifically Supplement 3 Kinds of Vitamins to Actively Improve Vision
Age-related macular degeneration is one of the common degenerative eye diseases in the elderly. According to an epidemiological survey, more than 20% of the elderly over the age of 60 have macular degeneration.
It can be said that it is an important cause of vision loss and blurred vision in the elderly. etiology. The essence of age-related macular degeneration is the aging changes in the structure of the macular area on the retina caused by various causes, resulting in a decrease in sensitivity to light.
Mild macular degeneration only manifests as decreased vision, blurred vision at night, but accompanied by The severity of the disease is aggravated, and the elderly will have severe vision loss, and even lead to insomnia, making the elderly completely lose the ability to live alone. There are many elderly people who think that age-related macular degeneration is a normal physiological change that every elderly person has and does not need special intervention.
In fact, this is a concept that is wrong. For patients with macular degeneration, early detection and early intervention have a better prognosis, so it is very important to actively detect and prevent age-related macular degeneration.
How does age-related macular degeneration occur?
The retina of the fundus is one of the important structures that constitute vision. It is composed of hundreds of millions of optic nerve cells and is the main part of the perception and transmission of light. The macula is one of the most important structures in the retina. In fact, the most sensitive place on the retina is the most important place for fine vision. We can see various colors, distinguish numbers, read books, and watch mobile phones. In fact, we mainly rely on the macula area. Therefore, once the macula has pathological changes, the fine vision of the human body will be significantly reduced, and for the elderly, macular degeneration is one of the important reasons for the decline of macular function.
The so-called age-related macular degeneration is an aging change in the structure of the macula, which is mainly manifested in the proliferation, atrophy, and detachment of the retinal pigment epithelial cells on the macula, resulting in a decrease in the stimulation function of the outer segmental membrane of the optical cells, resulting in the macula. The area’s sensitivity to light stimuli decreases, resulting in decreased or absent vision. Macular degeneration mostly occurs after the age of 45 and is closely related to age. The older the age, the higher the incidence, and due to the non-regeneration of the macular area, the atrophic retinal pigment epithelial cells are often For the elderly with age-related macular degeneration, the significance of active prevention is far greater than treatment.
At present, the specific pathogenesis of age-related macular degeneration is still unclear. Studies have shown that genetic factors, hypertension, diabetes, obesity and other factors may be the causes of macular degeneration. These factors can lead to irreversible damage to optic nerve cells in the retina. It can even directly induce the rupture and hemorrhage of the choroidal blood vessels under the retina, leading to sudden blindness. Therefore, for patients with age-related macular degeneration, the prevention and treatment of these inducing factors cannot be ignored.
2. These 3 kinds of vitamins can effectively prevent age-related macular degeneration
The early symptoms of age-related macular degeneration are not serious. Most people show mild vision loss, or blurred vision, which is heavier at night. Many elderly people think that this is a normal degenerative change and does not require intervention, but this The concept is wrong. Early macular degeneration is the best time to prevent and treat macular degeneration, because optic nerve cells are non-regenerating. Therefore, early detection, early intervention, and active delay of disease progression are the correct attitudes to face macular degeneration. The quality of life of the elderly is very important, and the following three vitamins are commonly used in clinical prevention and treatment of age-related macular degeneration.
1. Lutein and macular degeneration
The essence of lutein is a carotenoid, which is one of the important components that make up the macular region of the retina. Lutein is an important constituent nutrient in the human body, and it has a decisive protective effect on vision. It is often used clinically to treat a variety of eye diseases with reduced vision. Secondly, lutein also has antioxidant properties and has a protective effect on blood vessels and the heart, so it is also used to prevent and treat cardiovascular diseases.
The main pathogenesis of macular degeneration lies in the degenerative changes of retinal optic nerve cells, and lutein can improve macular degeneration through multiple pathways. First, lutein itself, as an important pigment in the macular area of the retina, can effectively promote the sensitivity of nerve cells to light, can effectively improve the function of visual cells, and is of great significance for correcting and repairing vision; secondly, lutein has It has a strong antioxidant effect, which can quickly clear the chronic inflammation of the fundus, thereby protecting the retina and reducing the damage of inflammatory factors to the optic nerve; Thereby reducing the damage to the retina caused by long-term illumination and effectively protecting vision; finally, fundus vascular degeneration is an important cause of macular degeneration, and lutein can inhibit the inflammatory response of vascular endothelial cells, thereby protecting the integrity of blood vessels. It is of great significance to improve the blood supply of the fundus.
2. Vitamin C and macular degeneration
Vitamin C, also known as ascorbic acid clinically, is one of the important nutrients in the human body. Vitamin C is widely distributed in the human body, and participates in a variety of important physiological reactions. It has obvious antioxidant and anti-inflammatory effects. At the same time, it can also participate in the metabolism of lipids, proteins and other substances, so it is of great significance for maintaining human health.
In the prevention and treatment of macular degeneration, vitamin C has multiple regulatory effects. First of all, vitamin C has obvious anti-inflammatory properties, which can reduce the inflammatory response of the fundus, and at the same time reduce the permeability and fragility of the fundus capillaries, thereby reducing inflammatory exudation, and has a significant effect on preventing and treating inflammatory response to retinal damage; secondly, vitamin C C has obvious antioxidant properties, which can effectively protect the integrity of capillaries and reduce vascular endothelial damage by inhibiting the oxidation reaction and reducing the content of oxidative free radicals; finally, vitamin C and lutein have a mutual promotion effect, It can effectively promote the absorption of lutein and maintain the stability of lutein, thereby enhancing the effect of lutein in protecting the eyes.
3. Vitamin E and macular degeneration
Vitamin E, also known as tocopherol, is a fat-soluble vitamin and the strongest antioxidant in the human body. Vitamin E is of great significance to maintain human health, is one of the important substances to maintain the integrity of cell membranes, and plays an important role in promoting the synthesis of RNA, DNA and other substances in nucleic acids. Clinical studies have shown that vitamin E has various therapeutic effects such as promoting reproduction, anti-aging, protecting skin and mucous membranes, and promoting lipid metabolism, and its clinical application is very extensive.
The preventive and therapeutic effects of vitamin E on macular degeneration are multi-faceted. First, vitamin E can effectively protect the vascular endothelium and reduce vascular fragility, thereby protecting the integrity of the fundus capillaries, reducing bleeding and exudation, thereby protecting the blood supply of the macular region; secondly , Vitamin E, as a powerful antioxidant, can quickly reduce the oxidative stress in the fundus, scavenge oxidative free radicals, reduce the damage to the retina caused by inflammation, and protect vision; finally, vitamin E has nutritional and protective effects on visual cells, It can protect and maintain the normal function of visual cells.
3. Scientific supplementation of lutein, vitamin C and vitamin E needs to pay attention to 4 points
Although lutein, vitamin C and vitamin E are all vitamins, there will be no obvious adverse reactions under regular doses, but this does not mean that these vitamins can be supplemented at will. Excessive supplementation or improper supplementation will still cause damage to human health. Therefore, It is recommended that patients with age-related macular degeneration and visual loss should make scientific supplements according to the following four principles.
First, pay attention to the supplementary doses of various vitamins
It is clinically recommended for the elderly with macular degeneration to take 20mg-30mg of lutein, 500mg-vitamin C and 100mg-200mg of vitamin E daily for 1-3 months to effectively improve their vision and delay macular degeneration. Adverse reactions, it is recommended that patients in need take medication under the guidance of a specialist.
Second, dietary supplements are the basis
Scientific dietary habits are the basic measures for the prevention and treatment of age-related macular degeneration. Scientifically arrange the diet and try to obtain lutein, vitamin C and vitamin E from food, thereby reducing dependence on drugs.
Lutein is widely found in food, among which there are more contents in green leafy vegetables, such as spinach, cabbage, lettuce, carrots, etc. Therefore, a sufficient daily intake of green leafy vegetables can meet the human body’s needs for lutein Secondly, the content of lutein in grains is also high, such as corn, wheat, etc., scientific intake of grains is also one of the ways to supplement lutein; kiwi, blueberries, grapes, etc. in fruits contain more lutein, which can Selectively moderate intake.
Vitamin C is basically only found in plant foods, and less in animal foods. Among them, citrus fruits are the most abundant, such as oranges, tangerines, etc. You can also drink freshly squeezed juice to supplement it. It can meet the needs; vegetables rich in vitamin C include tomatoes, peppers, cabbage, celery, etc. Moderate use can supplement vitamin C.
Vitamin E mainly exists in the seeds and nuts of plants, such as sunflower seeds, walnuts, pine nuts, etc.; secondly, the content of vitamin E in fresh fruits is also high, such as grapes, tomatoes, kiwi fruit, etc.; third, in vegetables Pumpkin, spinach, lettuce, lettuce, etc. contain more vitamin E; finally, the liver of animals is also rich in vitamin E, but it should not be the first choice, because these foods contain unsaturated fatty acids, and excessive intake will affect blood lipid levels, so try to supplement from plants.
Third, pay attention to the supplementation time, the supplementation time of these three vitamins should not be too long
Although age-related macular degeneration is irreversible, it does not mean that we need to supplement these three vitamins all the time, because the dose of drug supplementation is too large, and long-term use will lead to drug accumulation and adverse reactions. It is recommended that patients with macular degeneration can continue After 1-3 months of supplementation, check the vitamin level and vision in the body. If it has returned to normal or the vision has improved significantly, you can stop the drug supplementation, change to dietary supplementation, or choose a corresponding multivitamin product for supplementation.
Fourth, pay attention to adverse reactions
The maximum daily dose of lutein should not exceed 40mg, otherwise it will cause liver and kidney function damage, mainly due to abnormal increase in liver enzymes and creatinine. The skin and mucous membranes, eye conjunctiva, and urine are yellow or orange, but it can be relieved only after stopping the drug.
Long-term use of vitamin C can easily lead to gastrointestinal reactions, such as stomach pain, bloating, nausea, vomiting, etc. Second, vitamin C will inhibit the intestinal absorption of vitamin B12, so long-term oral intake will lead to megaloblastic anemia; finally, excessive Taking vitamin C will reduce the excretion of uric acid by the kidneys and increase the risk of calculi and hyperuricemia. Therefore, the renal function must be monitored during the medication, and if uric acid is found to be elevated, the medication needs to be discontinued.
The maximum daily dose of vitamin E is 400mg. If a large dose is taken orally, it will cause adverse reactions such as nausea, dizziness, and vomiting, but most of them can recover naturally after stopping the drug; a few patients will have abnormal coagulation function, induce thrombosis, and women will experience menstruation This is related to the fact that vitamin E will inhibit the absorption of vitamin K. Therefore, the level of vitamin K must be monitored during taking the medicine, and an appropriate amount of vitamin K should be supplemented if vitamin K is found to be lacking.
The number of patients with age-related macular degeneration is also increasing. Although macular degeneration cannot be reversed, early detection and early treatment are of great significance for improving vision and delaying the deterioration of the disease. Supplementation of lutein, vitamin C and vitamin E is an important means to prevent age-related macular degeneration; secondly, although the safety of these three vitamins is relatively high, it is still not recommended to take large doses for a long time, after 1-3 months of continuous use That’s all, pay attention to possible adverse reactions at the same time. If the symptoms are significantly relieved or the fundus lesions are significantly improved after taking it, this can be changed to dietary supplements, or to oral multivitamins for supplementation.
Scientifically Supplement 3 Kinds of Vitamins to Actively Improve Vision - /10