So here is my input:
Since starting to shoot many moons ago, I quickly realized i could shoot just as well from Left or Right. With open sights that is/was. The annual moose hunts proved successful using a scope but I noticed that I had to keep my left eye shut. I practiced keeping left eye open with miserable results. A few years ago, I realized glasses were needed for reading, but I adjusted scope to compensate for sighting, practice and hunts. This was also about the time when I started to close my right eye after the shot. I recently acquired a CZ Safari in .375 H&H and wanted to try it with open sights first to get used to the additional recoil before adding a scope. Without glasses I could clearly see the target but open sights were blurry. With glasses provided opposite results, the target at 100 Yds was blurry. Needless to say, scope was my only option in being able to use it for this years hunt. Keeping my left eye shut and closing right eye at shot have not prevented me in filling freezer or get adequate accuracy at the range.
Skip forward to today:
Started reading some info various rifle and hunting links and saw a person holding his two hands up to form a triangle ... I clicked on the link to find out it is a part of a test to see if you have cross domination. I.E. Right handed with Left Eye domination. Did the test and BINGO, I was surprised to realize that I am Left Eye Dominant. It is all starting to make sense now. I have a need for a new rifle in Left Hand.
I will take a few of my bolt actions in various calibers and try them with both Left and Right side to see if my theories are correct. Right eye "flinch" and target acquisition issues should become a thing of the past.
Will update ...