While the PlayStation VR is a surprisingly full featured VR solution given its low entry price, one of the things that does hold it back is its reliance on Sony’s PlayStation Move motion controllers for input. PS Move wasn’t all that accurate to begin with, and was susceptible to a lot of interference- so it’s definitely unsuited to something like VR.
Sony would have been better off developing a new motion controller specifically for PSVR. Thankfully, that is what they might be doing. Sony Interactive Entertainment (SIE) has filed new patents for motion controllers- and among other things, it seems like these controllers will be adding analog sticks, which is something Move controllers lack, and which PSVR players have been asking for for a while.
A second patent seems to indicate that knuckle tracking may be inbound for the PSVR too- which is interesting, as that opens up all sorts of new possibilities for Sony’s VR platform. Whether or not these patents are for the current PSVR or for a future model- or whether or not they even come to fruition as a final product- remains to be seen.