Abstract: modern medicine believes that myopia is mostly caused by the lengthening of the eye axis caused by the tension of the ocular ciliary body. The place pressed by eye exercises has no obvious connection with the ciliary muscle and the blood supply of the eyeball, so it is impossible to relax the tense ciliary muscle, let alone treat myopia.
eye exercises were created in the 1960s according to the theory of Qigong and acupuncture points of traditional Chinese medicine. At the beginning of promotion, it was said that it had “magical curative effect” to improve vision from 0.2 to 1.2 within half a year.
eye exercises were initially called eye exercises. The theoretical basis was the theory of Qigong, massage and acupuncture points of traditional Chinese medicine. There are two specific creators. The most widely circulated view is that it was created by the director of the physical education teaching and research group of Beijing Medical College in 1961 and later adopted and promoted by the Beijing Municipal Bureau of education. According to Wang Fangrun, an ophthalmology professor at Fudan University, eye protection originated in Anhui and improved by the Shanghai eye disease prevention and control center, but the official website of Shanghai eye Prevention Institute adopted the first origin theory.
without scientific basis, eye protection exercise was said to have magical curative effect at the beginning of its promotion. In a paper published in 1962, Yang Jingwen, deputy director of Shanghai eye Prevention Institute (then known as the prevention and Treatment Institute of Shanghai trachoma Center), said that in less than half a year, 34 myopia students in a primary school in Shanghai returned to normal, including a girl with a right eye of 0.2 and a left eye of 0.3. After performing eye protection exercises twice a day for half a year, her eyesight recovered to 1.2 and 1.0 respectively.
The experimental basis for supporting eye protection did not meet the modern scientific experimental standards. As early as 1979, a paper pointed out that eye protection had no supporting basis for the prevention of myopia at the national ophthalmology academic conference.
in July 2012, the person in charge of the Ministry of education did not give a reasonable explanation in the face of the query that eye protection had no scientific basis, Instead, he insisted that “the promotion of eye exercises in those years must have been certified by experts and have a certain scientific basis.” In fact, in the article “analysis of the evolution of students’ eye exercises” published by Shanghai eye disease prevention and control center in 2009, there are obvious problems in the experimental settings of many experimental bases with positive opinions. For example, taking children’s vision as an observation reference, but ignoring the premise that children’s vision itself is in the process of development, and there is no control group in this experiment. In addition, the blood flow graph and infrared thermal imager show that eye exercises can increase the local blood flow and improve the blood circulation, but in fact, random massage can also achieve the effect of local blood circulation, and there is no causal relationship between improving circulation, alleviating fatigue and treating myopia. This experiment can not prove that eye exercises can prevent and treat myopia.
in addition, at the second national ophthalmology academic conference in 1979, a paper put forward the opposite opinion, saying that “735 students aged 10 ~ 17 who did eye exercises were taken as the experimental group and 198 students who did not do eye exercises were taken as the control group. One year later, it was found that there was no significant difference in vision and diopter between the two groups”, Therefore, it is considered that eye exercises have no supporting basis for preventing myopia and improving vision.
modern medicine believes that myopia is mostly caused by the lengthening of the eye axis, which can not be changed by eye exercises. Even if it is to alleviate fatigue, its role is not as obvious as looking out.
modern medicine believes that myopia is mostly caused by the lengthening of the eye axis caused by the tension of the ocular ciliary body. The place pressed by eye exercises is similar to the ciliary muscle Eye blood supply and other connections are not obvious. It is impossible to relax the tense ciliary muscle, let alone treat myopia. Many other affirmers believe that eye protection exercises can at least alleviate eye fatigue, but according to a positive experiment cited by Shanghai eye disease prevention and treatment center, the experiment measures the changes of intraocular pressure after eye protection exercises and telescopic exercises respectively, trying to prove that eye protection exercises can alleviate intraocular pressure, Results “the average intraocular pressure increased by 0.60mmhg after reading and writing for 1h, and decreased by 1.67mmhg after eye exercises; the average intraocular pressure increased by 0.18mmhg after reading and writing for 1h, and the average decompression was 2.57mmhg after looking away for 5min”. On the contrary, this conclusion further proves that in terms of reducing intraocular pressure, the effect of looking out for 5 minutes is much better than eye exercises.
eye exercises are similar to the more famous Bates therapy. In the 1920s, some ophthalmologists in the United States claimed that their own eye exercises can completely treat myopia, but this theory was recognized by the Federal Trade Commission as a false advertisement. In fact,
eye exercises are not original in China. There are more famous Bates therapies similar to this in the world. In 1920, American ophthalmologist William Bates published a book entitled “treating visual defects without glasses”. After 37 years of clinical practice, it was determined that all visual problems were caused by eye fatigue and nervous tension. As long as you relax your eyes, you can restore normal vision. Therefore, he created a set of eye care exercises, including covering his eyes with his palm and then opening his eyes, and looking at different objects in turn. He claims that he can correct myopia, hyperopia, astigmatism, presbyopia, and even treat cataracts. The theory of
was all the rage, but it was regarded as “false and misleading” by the Federal Trade Commission in 1929. Russell, a member of the national anti health fraud Committee and an assistant clinical professor at the University of California, Berkeley? S？ Waller and many other ophthalmologists also believe that Bates’s theory is inconsistent with scientific facts. For eye diseases, doing exercises will only delay drug and surgical treatment, resulting in permanent damage to vision.
mainstream international organizations such as the American Academy of Ophthalmology and the International Association for visual correction agree that behavioral therapies such as eye exercises lack scientific basis and do not significantly help vision.
in fact, Bates therapy still has various variants. It exists as an alternative therapy similar to massage, but in European and American countries, There is a general consensus in the medical community that this therapy has no scientific basis and no reliable curative effect. In 2004, the American Academy of Ophthalmology issued a research statement on all kinds of “eye exercises”, saying that there is no evidence that these therapies can significantly improve vision, whether alone or in combination, including eye exercises, muscle relaxation, eye massage and other behavioral therapies. Other mainstream international organizations, such as the International Association for visual correction, have also issued similar statements. In 2005, after analyzing 43 relevant papers, ophthalmologists in New Zealand concluded that there was no mainstream research in the medical community to support the efficacy of eye exercises, which could improve visual acuityThe practice of force is lack of scientific basis, so it should not be adopted.
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