It seems the tooling/tech required to make cheap glasses has been around for a while (see link below), however is the ability for the end user to adjust his pr

It seems the tooling/tech required to make cheap glasses has been around for a while (see link below), however is the ability for the end user to adjust his prescription really advantageous in the long run? Will they evaporate easily in warmer climates, etc.. http://web.mit.edu/newsoffice/2002/eyeglasses-1218.html http://web.mit.edu/newsoffice/2002/eyeglasses-1218.html (also has a TED talk as well IIRC)