Idea: glasses with editable dioptre

Innovative idea: a glasses with editable dioptre. People who wearing glasses having different dioptre of the lenses in their glasses. Why not to make such glasses, where the lenses would be so to say "editable". If user need glasses with for example minus 2 dioptre, user makes each lens to a minus 2 dioptre settings, and so on. The mechanism of such glasses could be like in the photo camera's lens.