We use different types of crystals to manufacture our glasses and frames. We use organic rest, optical or reading glasses with a blue light filter for the screens, polarized sunglasses and nylon sun glasses.
In this post you can learn how to do the polarized test, blue light test and verify that all our lenses have a UV400 filter.
If you want to learn how to do a polarization test in your own home, check this link , it's easy and you can do it in front of any screen.
Our collection of reading glasses or reading glasses with a blue light filter uses CR39 organic lenses or polycarbonate lenses, these have an anti-reflection treatment and a UV400 filter.
Our line of acetate sunglasses uses nylon lenses, which provide clear vision with low aberrations, also with a UV400 filter.
In this video you can review the UV400 test for the 3 types of lenses that we use to make our glasses.