In our life,just normal as sun, fluorescent lamp, welding, laser, or even computer,Ipad,handphone will release ultraviolet (uv), in addition to these direct uv light source, the snow, surface water, metal, cement and bleaching of textiles will reflect ultraviolet light.The ozone layer in the atmosphere of this can help us to isolate a lot of ultraviolet ray, but now thinning of the ozone layer is destroyed by our human, appear even hole, make the uv rays can penetrate through clouds.So, in our daily life, whether it is sunny or cloudy, outdoor or indoor, wearing glasses lenses with uv protection functions, for the protection of the Windows of the soul are absolutely necessary. Also if you are on the laptop, computer screen a lot, we recommend you should wear eyeglasses with EMI coating, this is anti-electromagnetic radiation lens.As you know,our life can't live without computer,mobile phone and other electronics, but almost all of these electronics will release harmful HEV light, like blue light. How should we to pretect our precious eyes ? Yuzhou optics provide easy way to solve this problem for you. Wear our UV400 & EMI lenses, can give your eyes an safety vision.
Yuzhou Optics Lenses can protect most harmful UV rays, like UV-A and UV-B, cut-off wave length reach 398nm.If UV-A being absorbed by the eye lens, it will make cataract for your eyes.And UV-B will cause keratitis, corneal received damage. These are harmful light for our eyes. If you wear Yuzhou Optics UV400 lenses, it will protect your eyes keep away from cataract and keratitis.
So UV400 lenses is best for daily eye protection, choose your eyeglasses with Yuzhou Optics UV400 lenses is a wise choice. We recommend resin lenses of 1.56 index with perfect UV400 protection.
We have new lenses, which UV cut-off can reach 413nm, to learn more about UV420 lenses.
Anti-electromagnetic radiation lens surface layer of anti-radiation material, it is a metal compounds, formed on the surface of lens in an invisible barrier, filtered wave electromagnetic radiation, the functions of eye protection, the lens does not produce static electricity.
You can find in the left, the wave length of electronic release light.All of the peak of the light energy are between 400-500nm, this is the blue light. We test the computer screen, the peak wave light is 445nm. If you are computer user every day, Yuzhou Experts suggest you must have an eyeglasses with Yuzhou Optics EMI & Blue-Cut lenses. Not only the computer screen will relases the blue light, also mobile phone,projector,LED light,car lamp do this.
There 5 characteristics for you to choose Yuzhou Optics Lenses.
