Re:Holographic optics for thin and lightweight virtual reality
by stanlarroque on Tuesday June 30, 2020 @02:49PM
(#23693401)
This article does a good job:
https://www.kguttag.com/2019/12/18/hololens-2-not-a-pretty-p...
Digilens is a company that's been around for 15 years doing all kinds of eye wear stuff.
Thanks!