You'd need to reduce the weight of VR/AR glasses to that of regular glasses, i.e. <100g. Clunky heavy headsets stand no chance for professional use, fatigues sets in after 1 hour and gets worse every day of wearing it.
You can already get close to this with near eye light field displays[1], but the resolution suffers massively. As a bonus though, it can correct for a glasses prescription in software.
The vive fatigue is due to the non solid headmount. A PSVR style headmount like the Revive makes it infinitely less fatiguing as it no longer is supported by your face, instead it's held up by your spine and the deep muscles of the neck and upper back.
1: http://research.nvidia.com/publication/near-eye-light-field-...