Look, I had very similar experience with PCS.
Now a year and a half post my accident im 99 percent recovered.
The pain behind my eyes has turned to be strained muscles,
What helped me the most is working and being active and keeping my mind off the symptoms.
As for eyes, I did exercise and trained my eyes to see better at different angles. I had to physically restore my eyes functions. As for dizziness it faded away with time as I didnt pay much attention to that.
Hope you will feel better soon