You might want to check out this article: 0317EyeDominance.pdf
The author states "Because neurological dominance might not be complete in some immature students, it is possible for a fledgling shooter at 10 years old to test right-eyed, and then test left-eyed two years later."
The author states "Because neurological dominance might not be complete in some immature students, it is possible for a fledgling shooter at 10 years old to test right-eyed, and then test left-eyed two years later."