These lenses offer sharper vision and reduce the symptoms of eyestrain that are caused by a prolonged computer exposure.
Blue cut lenses test online.
For the lower spectrum a photo editing software was used to remove the blue hues.
As you can see the cyan component of the spectrum which is a mix between blue and green appears green.
The blue cut filter coating in pellucid blue lenses cut down the harmful uv rays completely along with a major portion of hev blue light protecting our eyes and the body from potential danger.
True blue blocking glasses or lens that filter out 90 blue light the two spectra should appear very similar.
This will be interesting to test but if you only need to block the blue light you need some deep yellow or a little orange tint like this.
Felix gray blue light lenses start at 95.
The blue component has disappeared.
The image on the left represents a regular rgb color model.
How to test blue light glasses the only way to know if you have the best blue light glasses for evening use ones that have orange or red lenses is to ask the company for a spectral report.
If your red lens glasses are not blocking 100 of light between 400 550nm then return them or do not buy them.
If you have normal color perception and your monitor can display rgb the two images shown above should appear different.
If you are looking to test your blue light filter consider the image below.
So test your glasses with the test pictures at the beginning of this article.