I just got an email from Amazon notifying me that the “CE and ISO certified safe” glasses I bought from them are not to be used because they could not confirm they were sourced from a NASA and AAS recommended manufacturer. Amazon did refund my purchase and while I’m not happy to have to find replacements I’m glad I bought from a source that handled the transaction in such a manner. It does make me wonder how many similar “certified safe” glasses were bought from vendors where the purchaser will not get notification and possibly risk damaging their eyes. As posted previously, you can check here for a list of AAS reputable vendors: