Got Two Cents?

So, I'm gonna use this bloggie to my advantage, and ask you -- my brilliant readers -- if any of you have anything to say about photochromic lenses for glasses, ie: Transitions, the kinds that go dark when you're in the sun and go normal indoors. I'm gonna buy glasses Friday / Saturday, so any insight would be appreciated. Do you know of anyone whose vision worsened with wearing them? Are they a problem in cold / hot weather for you or anyone you know?

Etc. Anything you can share would be great! I'm just pondering my eyewear options and despise direct sunlight (and have had no sunglasses for nearly a year... jesus) so I thought maybe they'd be a smart move, but I'm a traditionalist and erring on the side of proper shades, unless y'all convince me otherwise.