I'm right/right, but my right eye was damaged by a rock thrown from a lawn mower when I was 19. My vision was excellent after the damage healed, but began to deteriorate with time as scar tissue built up. By 5 years ago I was functionally blind in that eye, and wouldn't have been able to drive without my left eye. My shooting suffered. I was barely confident enough to hunt. Eye surgery technology finally advanced to the point that my eye became repairable. Four years ago I had it done. My shooting immediately improved and my confidence, along with it.
Eye dominance is like "handedness" in that if varies greatly between people. Some people are ambidextrous and can use either hand equally. Eyes can be like that too, and everything in between. I tried shooting left-handed with an ambidextrous bow I had, but it was difficult, and my confidence was no better, even though I had been relying on my left eye for years.