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Q: QuestionI bought this from best buy and put it on my TV but there is absolutely no darkening like you would see on a laptop screen. HOw do I know it can filter blue light out?

Asked 4 years ago by Anonymous.

• A:Answer Pause on some very vivid picture like ocean beach and you going to see a difference. Cover half a screen.

  Answered 3 years ago by DanielVerified Purchase

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