Spring is here, the yang rises, and everything grows. The theory of Chinese medicine thinks that the spring five elements belong to wood, and the human liver is wood. Corresponding to spring, the liver is open to the eye. In spring, the eyes are easy to get angry and the secretions increase. At this time, many people will think of wearing a pair of crystal glasses, cool eyes and clear heart.
Li Shizhen recorded in the "Compendium of Materia Medica": "Crystal and non-toxic", "can be safe and eye-catching, go to the red eye, iron and heat, and overcome obstacles." Ancient medical books also called "Crystal Indications: Ironing, except for tears. Also into the eye." Modern medical practice also proves that often wearing crystal glasses, can correct the degree of myopia, presbyopia, astigmatism, dry eyes, redness, itching, etc. Eye diseases have a certain effect. Crystal glasses are now deeply harassed by fake goods. The crystal glasses on the market are difficult to distinguish. The problems encountered by consumers in the purchase of crystal glasses are also many. How to identify crystal glasses? Interview with Mr. Chen Donglai, the gemologist and the director of Xi'an Jewelry Network.
Chen Donglai suggested that the first thing to adjust the mindset and understanding, the synthetic crystal lens is very pure, the transparency is quite high, the price is cheap, and the physiotherapy function is better. Instead of being fooled, buy synthetic crystal glasses directly. Secondly, we must pursue natural and well-funded situations, and choose honest and professional merchants to purchase the best natural crystal lenses. (Applicable to the Jewelry Testing Center equipped with infrared spectrometer for identification.) Third, if you want to pursue naturalness and don't want to pay more, then choose the natural crystal lens. However, we must make adjustments in the method of wearing. It is recommended to wear it with closed eyes, wear it during lunch breaks or other small breaks, and purposefully extend the wearing time when the eyes are on fire and the secretions increase. The effect of physical therapy is also very obvious. .
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