The image on the left represents a regular rgb color model.
Blue cut lenses test.
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.
As you can see the cyan component of the spectrum which is a mix between blue and green appears green.
Eyestrain from smartphones is real.
As you reduce the amount of blue light being filtered you ll notice that the blue colour on the left image stands out.
True blue blocking glasses or lens that filter out 90 blue light the two spectra should appear very similar.
The blue component has disappeared.
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.
So test your glasses with the test pictures at the beginning of this article.
So if you aren t sure how much blue light is being filtered don t hesitate to test your blue light filter right now.
Well if you look at computer screen all whitish become little yellowish.
If you see a bright blue reflection in the lenses they are working.
Blue cut coated lenses are not anti glare.
You can team up your blu lenses with all frame styles.
If they are telling you that it is double talk.
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.
If you have normal color perception and your monitor can display rgb the two images shown above should appear different.
Smartphones emit blue rays which are harmful to your eyes it causes eye strain insomonia and dry eyes.
All they do is reflect away about 15 of blue light.
Plus on spectacle lens s you will find blueish reflection only if it has bluelight protection correct me if i m wrong.
You will see greenish it it has uv protection i m not.
Frame with blu lenses starting at rs 1500 shop now.
For the lower spectrum a photo editing software was used to remove the blue hues.
If you are looking to test your blue light filter consider the image below.
By that i mean they are cutting 1.
If you see a black square at the first image then your glasses block all blue light.
Image released to public domain but link to this article for attribution.
If your red lens glasses are not blocking 100 of light between 400 550nm then return them or do not buy them.