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@frankenbike
Just an FYI: it's important that sunglasses do block UV. This is because your eyes only detect visible light and dilate based on visible brightness. If you're looking at something dim in visible but bright in UV (ie. sunglasses that don't block it), your eyes will be wide open, taking in a crap load of UV that does a lot of damage - worse than not wearing any.
Seems nearly all sunglasses block UV these days (even fake ones) but maybe worth a test with an LED if you've got one
This is my understanding anyway