I want to create a google cardboard compatible headset that is comfortable to use for people who have to wear prescription glasses. A large portion of the population has to wear corrective lens of some sort in order to see. Even higher end VR headsets such as the gear vr do not completely adjust for variations of nearsightedness, farsightedness, and astigmatism.
This sounds like a pretty good project. A caveat: Google Cardboard is designed to fit the larger screen area phones. It won't work with the iPod (or older iPhones) or normal sized android phones. See my DIY stereograph article here: http://www.science20.com/square_root_of_not/diy_stereograph-162716 to see how easy it is to make a stereograph viewer and I hope it helps with your design for VR glasses.
Hey, Kelly. I posted my cell phone steroegraph viewer here on hackaday.io: https://hackaday.io/project/10467-diy-stereograph