I had to watch the video twice, here's the important piece of text:
"the curvature of each lens changes,"
"responding to input from an infrared distance meter build into the bridge of the frames"
So the glasses have to know your personal prescription. I know very little about optic, but one thing I've been wondering for a long time is why can't there be a camera pointed to your eyes that adjust the lens until the image on your eye is in focus?
"the curvature of each lens changes,"
"responding to input from an infrared distance meter build into the bridge of the frames"
So the glasses have to know your personal prescription. I know very little about optic, but one thing I've been wondering for a long time is why can't there be a camera pointed to your eyes that adjust the lens until the image on your eye is in focus?