Bests & Worsts Reviews from Amazon

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229
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ranked #131,268 most helpful out of 571,544,897 reviews
★★★★★
I took this glass to my optometrist, who examined ...
I took this glass to my optometrist, who examined the blue light blocking performance of this product. He was also motivated by curiosity on effectiveness of a device costing this low. He tested it on a large machine in his office, and told me that it blocks blue light 100%. End of story.
January 2018 · Tools and Home Improvement · verified purchase
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