Views: 202 Author: Site Editor Publish Time: 2021-02-20 Origin: Site
With more and more electronic devices in our lives, the people we contact are younger and younger. Many parents coax children with iPad that can play an animation or video games. As a consequence, more and more people have to wear glasses to see things clearly. Thus, anti blue ray glasses are increasingly prevalent among people all over the world. However, people are not familiar with this kind of glasses so that now we will talk about the difference between the common glasses and the anti blue ray glasses.
First of all, the functions are totally different. Blue light glass benefit is various. Anti blue light glasses can prevent blue light from stimulating our eyes. Professional anti blue ray glasses can not only effectively isolate ultraviolet and radiation, but it can filter blue light that is harmful to our eyes. Like the best blue light glasses, it can be useful for protecting our eyes as well as the blue light protection glasses. Ordinary glasses like lightweight reading glasses are used to enhance vision, protect eyes, and correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, and amblyopia, etc.
Blue light is a component of natural visible light that sunlight and the electronic screen can emit and which is an important part of visible light. There are dark blue lens sunglasses that can help us to prevent harm. The color of sunlight in nature is composed of seven kinds of colors but there is no solitary white light that is mixed with blue, green, and red. After thousands of years of evolution, human beings have adapted to natural light very well so the blue light in nature does little harm to our eyes. But we still need glasses to protect eyes from the computer screen. Green and red light have less energy and less irritation to our eyes while the blue light wave is short and has high energy that can penetrate the lens and reach the retina.
Finally, you will get a severe result of your eyes such as vision loss. The harm is irreversible. As the lens of children is clear, it can not resist most of the injury of blue light. Thus, they will receive more damage. On the contrary, the lens of elder people will become yellow and transmittance of the lens will decrease so that lots of blue light will be filtered, which can help prevent the harm. Usually, lightweight reading glasses can enhance the sight of elder people to see books clearly.
Based on the rules of the complementary color of light, a good anti blue ray lens will display its complementary yellow color after absorbing blue light. With the good blue light optical lenses, the glasses can have a better result. Other blue and transparent glasses must be useless as well as some dark yellow anti blue light lens because this kind of glasses will severely make the color we see untrue. A good anti blue light glasses can keep a slight color difference and good light transmittance as well as block 60% - 70% of blue light. Of course, there are cheap blue light glasses to meet students’ demands. Therefore, there is a difference between anti blue ray glasses and common glasses in color. And cheap reading glasses may have a worse influence.