And this is why VR headsets are headsets and not sunglasses

 They fall off. A lot. And nothing rips you from the escapism of VR faster than having a pair of glasses constantly fall off the bridge of your nose. No sudden movement and you should be fine. I’m not saying never to the idea. I can certainly see a time in the not too distant future when such devices might become practical. For now, however, there are too many wires tethering you to…