Railwayboi,

Welcome to NeuroTalk.

It is near impossible to cause a concussion from head movement alone unless you continually repeat that motion to the point of dizziness and nausea. A simple back and forth would not be such a movement.

The neck injuries that accompany a brain injury can be aggravated by head jerking. That is not a brain injury issue. You should work on stopping this behavior because it will prevent your neck from healing.

You did not give us any details about your injury. Understanding how you were injured and the diagnostics and treatments you have received since would help.

You say you are having a lot of residual issues but the double vision is the only one not going away. Does that mean the others come and go ?

What are the other issues ?

Vision issues are often treatable with the proper assessment and therapies. A behavioral optometrist is a good place to start.