Blue light is not the light that looks blue, but light with a wavelength of 400-500 nm. Blue light might be harmful for human eyes, if exposed for long periods of time. It is emitted by many sources of light, such as T.V. screens, smart phones, tablets, computers and sources of artificial light. With the blue filter coating, blue light can be reduced up to 70%. Blue filter coating can be applied to all types of Rx organic lenses, progressives and single vision.
Now you can find the BlueFilter lenses in all Nicolaides Opticians stores. For more informations please contact us.