Anti-radiation glasses are useful? The first thing you need to do is to get rid of any of the problems you may have. In the electronic products more and more popular today, people stay in front of the computer every day more and more time, computer radiation brought about by the damage is also more and more people's attention. Of course, radiation glasses are also more and more popular. However, many people are skeptical about whether radiation glasses are useful, radiation glasses can really prevent radiation. Let's find out whether radiation glasses are useful or not. To know whether radiation glasses are useful, we need to understand the principle of radiation protection. As the computer radiation is from electromagnetic waves. These waves have a certain wavelength amplitude, radiation protection film is based on the volatility of light and interference phenomena. Two waves with the same amplitude and wavelength are superimposed, then the wave amplitude is enhanced; if the two waves are superimposed, then cancel each other out. Radiation protection film is the use of this principle, the surface of the lens coated with multi-layer radiation protection film, so that the film layer before and after the surface of the different wavelengths of electromagnetic waves generated by each other to interfere, thereby offsetting the radiation, to achieve the effect of radiation and reduce radiation. Know the principle, radiation glasses are not useful on the self-evident. Anti-radiation glasses have no use also depends on the glasses bought is not true. How to identify the radiation protection glasses are useful? As the surface of the anti-radiation lens is coated with a layer of blue anti-radiation film layer, pick up the glasses left and right shaking the surface of the lens there are some blue colored light shining out, and ordinary glasses will not send out any shining light. The answer to the question of whether anti-radiation glasses are useful is yes. People who often look at the computer are advised to buy a pair.