Just paint your face like a tiger when you go out

a la Scanner Darkly?

https://blossom.primal.net/d4cc1050727258e2192b42678210a8e0b5b4bc68d0c831fe6e13e06e155fdc05.jpg

Yes, they exist, protecting our anonymity like our ancestors did naturally.

Existing solutions use retroreflective materials or IR LEDs to counter smart glasses, but a more effective approach would be to develop glasses with active display technology to disrupt facial recognition algorithms.