That’s not going to happen. Most people don’t like having to speak out loud in order to message, AI-chat, or use voice commands in public, and many not even in private.

From a usability standpoint. Do you expect everyone to wear glasses? Are people going to all be out in public talking and doing hand gestures as input to their glasses? You don’t need to cater to different people who need different prescriptions for their fingers and for me, I have prescription glasses with two separate prescriptions and transition lenses.