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The black mirror episode 'The Entire History of You' shows a world where everyone has this capability. You might be interested in watching it.

That's part of the world in the dystopian movie "Anon" - https://www.imdb.com/title/tt5397194/

You can replay any moment in your life that your eyes saw or your ears heard... but so can the government.

This is definitely coming, and I'm pretty sure it won't even cost you an eye. The dropping miniaturization of cameras, logic boards, batteries, microphones makes this inevitable. Likely form factors are glasses or pendants.