Anecdotally, a lot of window products have built in films, coatings, or dopants that reduce UV exposure and possibly other portions of the spectrum. I would /g

Anecdotally, a lot of window products have built in films, coatings, or dopants that reduce UV exposure and possibly other portions of the spectrum. I would /guess/ that pure (greenhouse?) glass, maybe not even visibly transparent, would be effective. Both could be worth studying if someone hasn't already.