Your brain/body would make up for it. So one probably wouldn't even realize such abnormalities.
Kind of how the eyes work, We tend to have a cross eyed view naturally that our brains automatically correct. Similar to if one looses a sense or senses hearing or sight the other ones will increase to make up for it.
Japan has the technology to make such studies. Not sure if the person still exists but they had the first bionic Man/Person back around 2000. It pays to have produced most of the worlds top neurosurgeons since to 80s. Being of such importance they could easily get the next Billionaire willing to try. Not only to better science, but also become legend.
