Visual fatigue is currently a very common disease in ophthalmology. Traditional Chinese medicine believes that the function of both eyes to "see" depends on the nourishment of liver blood, which is stored in the liver and regulated and regulated by the liver. Nourishing the eyes first nourishes the liver. When experiencing symptoms of visual fatigue such as dry eyes, eye dryness, and eye pain, it is necessary to clear the liver to brighten the eyes. This article summarizes the efficacy of traditional Chinese medicine goji berries and ginkgo biloba leaves in relieving visual fatigue as follows:
01
Goji berries
Goji berries belong to the Solanaceae family, and are the mature fruits of the Solanaceae plant Goji berries. They are a precious and beneficial traditional Chinese medicine, and there are about 80 types of Goji berries worldwide. The quality of Goji berries in China is the best, especially in Ningxia. Traditional Chinese medicine health preservation believes that goji berries have a sweet and moisturizing taste, and have the effects of tonifying the kidney, nourishing yin, nourishing essence, nourishing blood, nourishing the liver, brightening the eyes, and nourishing qi. The Compendium of Materia Medica describes goji berries as nourishing the kidneys, moistening the lungs, generating essence, benefiting qi, and improving eyesight. Modern scientific research has confirmed the above statement. The chemical components of goji berries mainly include sugars, amino acids, trace elements, carotenoids, vitamins A, B1, B2, C, and other essential nutrients for healthy eyes. Goji berries are rich in vitamin A and carotene, which can be converted into vitamin A in the body. Vitamin A, also known as retinol or anti dry eye factor, is a component of the rhodopsin in visual cells that senses weak light. It plays an important role in maintaining normal visual function, preventing night blindness and vision loss, and helping to treat various eye diseases. 1.2 Zeaxanthin
Goji berries contain abundant zeaxanthin, which is an oxygen-containing natural carotenoid that is isomeric with lutein. Zeaxanthin is an important component that can prevent UV damage to the optic nerve in the eyes. However, the human body cannot produce zeaxanthin and can only extract it from food. Among them, consuming goji berries is an important guarantee for supplementing zeaxanthin in the human body. 1.3 Taurine
Goji berries contain 19 amino acids, including 8 essential amino acids, with a total amount of 9.14%. It was also found to contain taurine, which is the only plant body reported to contain taurine, with a content of 0.205% -0.689%. Taurine is a structurally simple sulfur-containing amino acid that exists in free form in the retina, but does not participate in protein synthesis. In the body, a decrease in taurine concentration in the retina will lead to the destruction of photoreceptor structures, accompanied by severe visual impairment and abnormal electroretinogram. Taurine, which is at a physiological level in the retina, plays an important role in maintaining the structure and function of visual cells.
02
Ginkgo biloba leaves
Ginkgo biloba leaves are a type of plant leaves with high medicinal value. Their chemical components mainly include flavonoid glycosides, terpenes, polyisoprenols, organic acids, ginkgolic acids, alkylphenols, alkylphenolic acids, ginkgolic acids, etc. The content of vitamin C, vitamin E, carotene, and mineral elements such as calcium, phosphorus, boron, and selenium is also very rich, surpassing that of general fruits, vegetables, and edible plant materials. Traditional Chinese medicine theory believes that Ginkgo biloba leaves have a sweet, bitter, astringent, and calming taste, and have the effects of regulating the lungs, relieving asthma, promoting blood circulation, and removing blood stasis. With further understanding of its pharmacological effects, it has been found that Ginkgo biloba leaves have a good effect on relieving visual fatigue. Research has shown that Ginkgo biloba leaves have the following main effects in improving patient vision: 2.1 Inhibition of platelet aggregation
The lactone substances contained in Ginkgo biloba leaves can inhibit a substance called platelet activating factor. Therefore, Ginkgo biloba leaves can reduce blood viscosity, inhibit platelet aggregation, increase arterial elasticity, increase vascular permeability, and thus increase retinal transparency. Dilate blood vessels. Ginkgo biloba leaves can relax blood vessels by increasing the concentration of calcium ions in endothelial cells, increasing the activity of nitric oxide synthase, and thereby increasing the production of nitric oxide. They can also relax blood vessels by increasing PGI2 and reducing TXA2. Therefore, Ginkgo biloba leaves can dilate microvasculature, reduce retinal vascular tension, inhibit microthrombus formation, and improve visual function in patients. 2.2 Protective effect of optic nerve
Ginkgo biloba leaves can increase the blood supply to the choroid and retina, thereby improving visual function. The medical community generally believes that during normal physiological activities, the eyes need to constantly overcome fluctuating intraocular pressure resistance to regulate the blood flow velocity of the optic nerve. Ginkgo biloba leaves can improve central and peripheral blood flow, reduce vascular spasms, and reduce cell apoptosis; Ginkgo biloba leaves have the effect of inhibiting glutamate toxicity, thereby slowing down apoptosis of ganglion cells; The natural antioxidant activity of Ginkgo biloba leaves can effectively protect the function of mitochondria, playing a protective role against tissue and cell damage caused by different reasons, thereby protecting the integrity of mitochondrial structure and function. Ginkgo biloba leaves protect retinal ganglion cells by altering the microcirculation of the eyes, protecting optic neurons and mitochondria. In summary, goji berries and ginkgo biloba leaves are rich in various essential nutrients for the eyes, and have excellent effects in relieving visual fatigue. Therefore, combining goji berries and ginkgo biloba leaves in fatigue relief products will achieve good results.
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2024-05-08
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