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How I can know if old sunglasses are safe?

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  • How I can know if old sunglasses are safe?

    There may be some evidence to report if sunglasses are harmful to health.?Health authorities could use taxes to protect citizens and not to scare you? The lie may be a crime.

  • #2
    You can't tell if your old sunglasses are safe by yourself. You could take it to any optical store and ask them to check it. The optical stores have a UV meter which is used to check whether your sunglasses have UV protection.

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    • #3
      You can take your old sunglasses out under the sunshine. If they change the color, then they still have UV protection and are safe for your eyes. If they don't change color, then they might not have UV protection no longer. You can replace the lenses with new ones.

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