Reviewed in the united states on october 9 2018.
Cyxus blue light blocking computer glasses review.
These work because the light source has uv light.
5 0 out of 5 stars they do a great job of blocking blue light and are very comfortable reviewed in the united states on february 24 2017 color.
8084t01 black verified purchase after a month of heavy use i ve concluded these glasses are well worth it for any person who spends countless hours behind a computer.
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They provide a blue colored light and a test strip to test the glasses with.
These block at best uv light.
When they arrived the company included a little blue light with a blue light sensitive credit card sized tester.
Screens don t have uv light that is why when you hold the test strip to the screen that you look at nothing happens.
I couldn t wear them for long periods of time because they hurt my head because they were so tight and the arms didn t even make it behind my ears.
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These glasses are pointless unless you are in the sun looking for uv light protection.