1. I only buy polycarbonate lenses.
2. My range glasses (single vision since transitions are not good for many optics) are 3M safety glasses that do not need side shields.
Mike
Transitions® is the Brand name for photochromic lenses in materials other than glass. (That's still called PhotoGrey or PhotoBrown) You mean progressive lenses, or more colloquially, no-line bifocals.
Sorry, not meaning to be critical, but that's the 'clip/magazine' controversy in my profession, and I have to explain it to people all the time.
Also I wear progressive lenses, and shoot scoped rifles and pistols, and red dot topped rifles, with them, and never had a problem. If they are a probem for you, you are sighting wrong. Get your nose down on the stock where it belongs, not up in the air. (Or cheek down on your shoulder, for pistol.)
captainamerica, I think you meant Non-safety Rx lenses will break much easier than safety Rx lenses, right? Yes and no. It all depends on the prescription, and material. A high minus or high plus polycarbonate non-safety lens will be much more shatter-resistant than a light Rx plastic safety lens, for instance.