Are blue light protective glasses effective?

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Would it be effective to buy blue light-blocking glasses at a reasonable price?

It's Chinese, but


  349 4   4 years ago

pu1. It's effective to block the blue light, so I think glasses will be effective. I don't know if it's made in China


2021-06-20

pu2. I heard it's scientifically meaningless to block the blue light


2021-06-20

pu3. Oh really? Then should I walk?


2021-06-20

pu4. I know it's working!


2021-06-26


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