19-20 inch VizoBlueX Anti-Blue Light Filter for Computer Monitor. Blue Light Monitor Screen Protector Panel (17.3 x 10.8 inch). Blocks Blue Light 380 to 495 nm. Fits LCD, TV and PC, Mac Monitors

Fast delivery, easy use, eyes are no longer tired and hurting after long day in front of computer. Bought another for my home computer. Office coworkers are looking in to buying as well for their computers

Like the toning down of blue light that was burning my eyes literally, ouch !! Didn't like the cheap adhesive pads that came with filter, very temperature sensitive and runny.

The screen works as advertised for our 19 inch screen. I tested it with a blue light calibrated measuring tool and determined its about 60 percent effective.

This is really good! My eyes don’t feel as strained and it was easy to apply! Great purchase :)

There isn't anything I dislike. It does exactly what it was advertised to do. (It isn't touch screen, and it wasn't advertised as "touch screen", nor was I looking for a touch screen. So I don't know what the 1 - 5 stars question regarding "touch screen" is for on the rating survey for the purchaser to answer.) I like everything about this Blue Light Computer Screen Protector. I have had it for two weeks. I wish I had ordered one months ago. The size is great - completely cover's my screen. Color is great - it does not really distort or change the colors of the subject matter I am viewing. It does screen out the blue light. I would certainly encourage other's to purchase this screen protector.

When you receive this item, you will see a piece of acrylic and that is all that it is. I checked this so-called Blue Light Filter against several online blue-light testers and they all show that there is NO DIFFERENCE WHATSOEVER in terms of blue light emission whether or not you have this piece of acrylic over your pc or you don't. I performed those tests both with and without this piece of acrylic over the monitor. Please refer to the image that I attached. I held the "blue-light filter" over part of the screen. You can see the edge. You can also read the instructions which instruct that if the blue square still looks blue, there is no blue light filtration. I read the review that there was SOME protection, but maybe at some point, the manufacturer actually applied some filter. However, it is very clear that this product is at the very least not consistent - or that the manufacturer is committed fraud by selling something to the public that doesn't do what it is supposed to do. I would be suspect of any such item and test it within the return period so that you can return it rather than being stuck with a very expensive piece of acrylic ...

This has really helped with my eye fatigue from an all day job on the computer. Plus the price is the beat I have found.

Oh wow I’m so glad I bought this item. I sit at a computer 8+ hrs a day and my eyes suffered. They would water, hurt, then dry out, headaches and so on. I could immediately tell a difference and my coworkers saw the difference as well. I couldn’t even wear my glasses to see the computer screen. This panel has saved me and my job, thanks

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Lo uso da 15 giorni e ho constatato che la visione prolungata dello schermo attraverso questo filtro sia meno irritante per gli occhi.

Je fais 4 à 5 heures d’ordinateur par jour (pas de jeu) j'avais souvent les yeux qui me piquent - Je suis allé pour acheter des lunettes avec traitement "anti lumière bleue" 200 € le verre !! donc 400 euros en plus de traitement ! . Depuis cet achat, je suis réellement moins fatigué, plus efficace ... le seul problème est que je rester encore + devant - Je recommande donc .

Not sure if this filter is sufficient. Have moved the computer, altered the height and just not certain if it is strong enough.

Needs to be a bit larger for a 19" Monitor (would cover screen completely if monitors edging was minute) , however it seems to work as my eyes are no longer sore and streaming. But i have also got new glasses and that would have helped.