Anyone had experience with this? Looks like just what I need

No mention made of how tough the lens is - so I'd be nervous about it without seeing some tests first.

 
Doesn't say which safety standards its been tested too and without details of the manufacturer and model so you can go look it up there isn't much you can realistically do to determine if it is safe before purchase. Even then testing it to destruction at home doesn't guarantee the second one will achieve the same level of quality. I trust my eyes to standards that ensure I don't have my eyepro breached and IMO everyone should care about that.

 
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