How To Identify Anti Blue Light Glasses?

When it comes to anti blue ray glasses, many people have been familiar with them. As more and more people use computers or smartphones to play video games or study, they all want to have ones to protect their eyes from being harmed by the blue light. Without any doubt, the quality of glasses is of great significance to the whole product. There are also many different lenses with high quality, like blue armor lenses. But after they buy the anti blue glasses such as UV blue light protection glasses, they will suspect whether true or not.

To be honest, there are some fake products sold in the market and you should have critical thinking to identify it is true or not. For example, blue light optical lenses can be artificial so the glasses must be fake. So how to identify the anti blue ray glasses. There are some tips for you in the following passage.

First, before you buy the glasses, you must remember to check the relevant instructions and inspection reports to make sure it is a real one. In common sense, lots of people will regard an expensive one as a real one. However, it is not all about its price. As the blue light filter lens price will be slightly high in some physical stores, it may be good or bad. It more depends on its quality and brand.

Second, you have to check whether the lens is in high-definition yellow light.Generally speaking, high-quality anti blue light glasses will have a light yellow lens but does not hinder the line of sight and with high transmittance. As kids will be harmed easily, parents must buy the best blue light glasses for kids. Then, you can check with this method to ensure that you have bought the real ones or it will damage children’s eyesight.  

Third, you can put the glasses in front of the display screen or under the LED light. So you can see if the blue light will be reflected on the surface of the lens, which indicates that the anti blue light glasses can block the blue light.

Fourth, you can buy the test card to test by yourself. High-quality anti blue ray glasses will not have harmful blue light transmission under the test pen. Usually, you can buy the test card online or in some optical shops and it is not expensive.

Fifth, you also can turn to a professional glasses shop for help. If you want to know whether the kids anti blue light glasses you have bought is real, you can find a formal shop to test it.

Blue light is a cause of eyes’fatigue and the anti blue light glasses are protective to our eyes, especially for groups who work a long time in front of the screens. And different lenses have various functions, like the blue cut contact lenses. Its function is slightly different from sunglasses light blue lenses. Some shop assistants will recommend green anti blue light glasses to customers and explain the principles. Then, you should be careful as they are selling the products at a high price. And blue cut lenses price may be slightly high in some shops.

Whenever you want to buy the glasses, you need to check the colors as the real one should be yellow. According to the basic rules of optics, the light reflected from the lens is to resist the light of the same color. Anti blue ray glasses is to reflect off the blue light and remove the blue light. Finally, the red, yellow, blue, and green in the visible light, only yellow can be seen.