o-matter

We all know clear, transparent frames of the past would go yellow as they age, mainly because of the UV absorption. Does this happen with Oakley Polished Clear Frames? Are they made out of o-matter as other frames? Or is it another type of polymer? I've seen some old Oakley frames for sale...

I just bought a new pair of Drop Points and I’ve noticed with all my O-Matter frames that there is a spring like behavior that snaps the ear stems open. One side of my new frames works perfectly, but the other is sticky and doesn’t spring open. I was reading that using some graphite to lube up...