Glasses factory unveils the secret of anti blue light glasses

2020-12-21

Blue light can be seen everywhere in our daily life. What we call harmful blue light is actually high-energy blue light. According to Zhou Xingtao, deputy director of Ophthalmology of the Department of Ophthalmology, affiliated to Fudan University, Zhou Xingtao pointed out in an interview with CCTV: "especially the blue light that exceeds a certain threshold and is too strong and too high-energy, it is harmful to our eyes. For example, 10 watts per square meter, 470 nanometers of blue light. " On weekdays, we are exposed to a large number of harmful blue light from computer monitors, mobile phones, digital products, display screens, led and other light. The blue light in these wavelengths will seriously threaten our eye health.

Glasses processing factory knows that at this stage, anti blue light glasses are very popular in the sales market. It is said that anti blue glasses can reasonably reduce the damage to eyes caused by blue light in the light source on computers and mobile phones. At present, the price of anti blue light glasses on the market varies from tens of yuan to hundreds or even thousands. So, do anti blue glasses really protect against blue light? How should we choose?

Blue light can also be divided into blue light and bad blue light, which is the key component of visible light. It has the characteristics of wave length and high kinetic energy. According to the wavelength category, it can be further divided into green blue light and blue violet light. Not all blue light is harmful. At this stage, we think that green and blue light has beneficial ingredients for the body, and has key effects on stimulating pupil retraction, regulating and maintaining body biological rhythm. High energy blue violet light is harmful to both eyes and can pass through the lens to the retina. Long term exposure of both eyes to blue violet light will increase the production of lipofuscin in the eyes, which will produce phototoxic side effects and cause macular lesions.

Anti blue glasses

Therefore, Yancheng glasses factory reminds consumers to be careful when choosing anti blue light glasses. It is not necessarily that the glasses are all professional anti blue glasses. Some anti blue light lenses sold on some platforms are professional spectacle lenses. The cheap anti blue light glasses can not only maintain the eyes, but also make the wearer's eyes tired and dizzy after long-term wearing.

The principle of a good anti blue lens is to preserve the beneficial blue light according to the harmful blue light.

Foshan Yancheng glasses Co., Ltd. has been focusing on OEM / ODM processing and customization for 15 years, including metal + plate glasses, metal glasses, presbyopia glasses, titanium frame spectacles, blue light resistant glasses, etc. Its glasses processing factory can develop, design, produce and sell in one, and the products are sold well at home and abroad. Welcome to our company for negotiation!