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Blue cut lenses test.
If you have normal color perception and your monitor can display rgb the two images shown above should appear different.
You will see greenish it it has uv protection i m not.
For the lower spectrum a photo editing software was used to remove the blue hues.
If you see a black square at the first image then your glasses block all blue light.
By that i mean they are cutting 1.
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.
Blue cut coated lenses are not anti glare.
So test your glasses with the test pictures at the beginning of this article.
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 see a bright blue reflection in the lenses they are working.
Frame with blu lenses starting at rs 1500 shop now.
So if you aren t sure how much blue light is being filtered don t hesitate to test your blue light filter right now.
If you are looking to test your blue light filter consider the image below.
The blue component has disappeared.
Well if you look at computer screen all whitish become little yellowish.
All they do is reflect away about 15 of blue light.
If your red lens glasses are not blocking 100 of light between 400 550nm then return them or do not buy them.
You can team up your blu lenses with all frame styles.
As you can see the cyan component of the spectrum which is a mix between blue and green appears green.
Smartphones emit blue rays which are harmful to your eyes it causes eye strain insomonia and dry eyes.
At the highest setting the two images will appear to be identical.
These lenses offer sharper vision and reduce the symptoms of eyestrain that are caused by a prolonged computer exposure.
If they are telling you that it is double talk.
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.
True blue blocking glasses or lens that filter out 90 blue light the two spectra should appear very similar.
The image on the left represents a regular rgb color model.
