Already drifting OT ...
whatever happened to the idea of using a film of liquid curved with electrostatic force to replace solid lenses ? Maybe bit premature for eyeglasses, but for cameras ?
Keeping your glasses on the bridge of your nose as you move around is a problem for which Google has a solution. The Chocolate Factory has filed a patent for glasses which mechanically alter their shape. Much like peril-sensitive sunglasses, they monitor what you are doing and react. Unfortunately this isn't a reaction to …
admittedly, I was hunting for food at the time. He tricked me into putting them on, telling me that anyone who wears the band has instant access to all knowledge without having to learn it. Now if my master recites the secret mantra told to him by Buddha, the band tightens and there is much pain. So I must accompany my master to recover holy scriptures from India.
"A long time ago when men were all babes
There was a land of the free
Fantasy and dreams
Were its untouched wealth
And goodness and love were real"
I wear reading glasses so they rarely fall off except when I lean over the back of the TV/monitor/stack of books etc. Then they have a tendency to leave the vicinity of my face. In such circumstances I am not usually wielding a mobile phone.
What spectacles need is a sticky pad on the bridge of the nose.
On the subject of 'smart' glasses isn't it about time we had auto-focus lenses that could determine what the wearer is looking at and alter the diopter to match the distance?