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Does not protect against UV light!
I purchased these for my daughter to use for a florescent and phosphorescent mineral science project. I wanted to be sure they protected against the UV light we would be using so I learned how to properly test. To test, you shine a UV light at an object that has special UV reflective properties, such as money. If the lens blocks the UV light, you will not see the special UV reflective strip but will still see the beam shine through.
As you can see from the attached pictures, the bill reflects the strip without any glasses in between. When I placed the JORESTECH clear glasses in front of the beam, I still saw the strip reflected, though dimmed somewhat. When I placed a set of trustworthy UV protective glasses in front you can see from the picture, it still shined the purple light through, but the strip was no longer reflected. The test proves that the JORESTECH glasses DO NOT BLOCK UV light.
Also attached are all of the promises that these glasses do indeed block UV light, which they clearly do not.
They also say they are made of polycarbonate, but every resource I could find says that polycarbonate blocks 99.9% of UV light. They may not even be made from that material!
April 2019 · Tools and Home Improvement · verified purchase