Google already promised that Glass will work with your prescription glasses as a screwable addon: http://9to5google.com/2013/03/12/google-confirms-prescription-

Google already promised that Glass will work with your prescription glasses as a screwable addon: http://9to5google.com/2013/03/12/google-confirms-prescription-frames-lenses-in-the-works-for-google-glass-shows-off-prototype/ http://9to5google.com/2013/03/12/google-confirms-prescriptio...