Trendy big-frame myopia glasses can easily cause dizziness and nausea

u003cbru003eIntroduction: After seeing her friend wearing big-frame glasses, Ms. Yuan, 25, felt that she was fashionable and beautiful. She replaced her regular myopia glasses with a pair of big-frame glasses to modify her face. Unexpectedly, not long after wearing the big-rim glasses, the symptoms of blurred vision, dizziness and nausea appeared. Nowadays, glasses are not only a tool for correcting vision, but also a fashion tool for young people to dress themselves. You can see small jewelry shops selling large-frame frames everywhere. Those who are not short-sighted buy a pair of frames to modify themselves, and those who are short-sighted, after buying the frames, go to the optician to match the pair of lenses. However, while this kind of big-frame myopia glasses brings a sense of fashion, they are also quietly harming the health of the wearer. A reporter from Chengdu Commercial Daily recently interviewed experts and found in experiments that wearers of large-frame myopia glasses are prone to blurry vision, visual fatigue, and dizziness, which can lead to strabismus in severe cases. Wearing big-frame glasses, dizziness and nausea Ms. Yuan, 25 years old this year, has recently felt that something is wrong with her body: dry eyes, blurred vision, dizziness and nausea... When she went to the hospital for an examination, the ophthalmologist told her that the root cause was the big-frame glasses she was wearing. It turned out that after seeing a friend wearing big-frame glasses, she felt fashionable and beautiful, and she replaced her regular myopia glasses with a pair of big-frame glasses to modify her face. Unexpectedly, not long after wearing the big-rim glasses, the symptoms of blurred vision, dizziness and nausea appeared. Under the doctor's advice, she changed back to her original glasses, and all the uncomfortable symptoms gradually disappeared. Yesterday, a reporter from Chengdu Commercial Daily learned from West China Hospital and the Third City Hospital that problems similar to Ms. Yuan are no longer an isolated phenomenon. The ophthalmology clinics of the two hospitals often encounter such cases. Liu Longqian, director of the Optometry Center of West China Hospital, explained that the interpupillary distance of a person is fixed, and the pupils of the two eyes must be on the same axis with the center of their respective lenses. The large-rim glasses are wider than ordinary glasses, and the distance between the optical center points of the two lenses also increases. In this way, it will cause the focus of the pupil of the eye to deviate from the center of the lens, forming a prism effect, leading to blurred vision, asthenopia, and easy to cause myopia. The optical center of glasses must be in line with the pupil, Liu Longqian, director of the Optometry Center of West China Hospital, told reporters that the human lens is a convex mirror. When light enters the lens, the light passing through the pupil will not be refracted and directly fall on the retina; while the light passing through other parts of the lens will be refracted. The refraction of light by the lens is a converging effect. In this way, the light eventually falls on the retina for imaging. Why do people look blurry after myopia? Liu Longqian explained that after a person is nearsighted, the lens will be elongated, and the gathering effect of light will be weakened. When parallel light rays pass through the lens, the image formed by the refraction of the light rays is just in front of the retina, so people will see things blurred. Myopia lenses are concave mirrors. Wearing glasses for myopia is equivalent to light diverging through a concave mirror, and then passing through the lens, allowing the light to refract and fall on the retina, so that people with myopia can see clearly. Liu Longqian emphasized that in any case, the optical center of the glasses and the pupil (that is, the optical center of the lens) must be on the same axis, so as to ensure that you can see clearly after wearing the glasses. In pursuit of fashion, don't forget that the interpupillary distance of healthy adults is generally between 60 and 70 mm, and the optical center distance of many large-frame glasses far exceeds this limit. Wearing it for a long time will definitely affect your eyesight, and severely cause strabismus. He suggested that when people wear glasses, they must go to professional optician institutions, and don't be greedy for fashion and ignore health. Conclusion: The interpupillary distance of a person is fixed, and the pupils of the two eyes should be on the same axis with the center of the respective lenses. The large-rim glasses are wider than ordinary glasses, and the distance between the optical center points of the two lenses also increases. In this way, it will cause the focus of the pupil of the eye to deviate from the center of the lens, forming a prism effect, leading to blurred vision, asthenopia, and easy to cause myopia. Remind consumers, do not forget health in pursuit of fashion. Article title: Trendy big-frame myopia glasses can easily cause dizziness and nausea Article finishing:

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