' first' autofocus glasses could spell the end of reading specs

This is amazing, but I wonder if the technology could be better used to force us to flex our eyes and over time reduce the need for glasses, rather than forcing glasses to be a crutch.

> with a lag time of 0.2 seconds.

I had that after having both lenses replaced. (Cataract removal.) It's pretty annoying.

Two years later the lag is down below the threshold of noticeability most of the time, probably under 70 ms.

How will this affect eyesight?