In article , removespamlcb11211
@swbell.net says...

Apparently windshields have some type of filter and or indirect light does
not affect the finish. Some automatic tenting prescription glasses will not
darken behind a windshield.


Glass does cut a great deal of UV out of direct sunlight. Alas, not all of it.
The jarrah inlay in my kitchen table has faded from purple to pale brown :-(

-P.

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