You don't need protection from the glasses. If you're in public, you generally aren't considered to have an expectation of privacy. That's not an excuse to record people btw, but the truth is that even without smart glasses, anyone can whip out their phone, or use a hidden camera to record you.

What you need protection from, is surveillance networks easily and convertly accessing aggregated data from a large swath of publicly and privately owned cameras. The only protection from that is laws