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Can anti-blue glasses prevent myopia?Experts: lack of scientific basis | duzline.com

With the increasing prominence of visual fatigue, myopia and other problems caused by electronic products, anti-blue light glasses, known as “eye protection artifact”, have gradually become the new favorites in the optical industry.

Especially after primary and secondary school students began to learn through online courses, anti-blue light glasses can be promoted to “prevent myopia”.

When many parents see the propaganda, they only consider how to protect their children’s eyesight without in-depth understanding, so they rush to place orders to buy them.

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So anti-blue light glasses, which sell for more than ten to several hundred yuan, really have such a function?

It is understood that blue light usually refers to visible light with a wavelength of 400-500 nanometers, which is widely found in nature, electronic screens and sunlight.

Experts said in an interview with the media that the so-called anti-blue light products lack scientific basis for preventing myopia. If they are not selected properly, they will cause harm to the eyes.

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It is reported that the harm of blue light is related to the dose of blue light received by the retina. Only under long-term and high-intensity irradiation can blue light cause retina damage.

At the same time, the medical community believes that the main damage to human eyes by blue light may be fundus macular lesions rather than myopia, and there is no direct evidence that blue light can cause myopia.

It is worth mentioning that the Shanghai Municipal Market Supervision Bureau has previously carried out a special supervision and random inspection of the hot-selling anti-blue light glasses on the e-commerce platform. The results found that 19 of the 72 batches of anti-blue light glasses were unqualified, with a non-conformity rate of 26.4%.

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Spot check types include anti-blue light equipped glasses, children’s anti-blue light goggles and anti-blue light old glasses and other products suitable for all ages.

The author believes that if it is not a special industry, ordinary people do not need to wear anti-blue light glasses. “anti-myopia” and “anti-blue light” are “gimmicks” of merchant marketing. Wearing blue-ray glasses at will often counterproductive.

It is the best protection for eyes to develop the correct habit of eye use and eye protection at ordinary times.V



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