One eye open (left eye dominant, left handed). If I try to open my right eye, I see two targets, or two sets of pins, or bizarre freaky things.
Even in the Coast Guard, way way back in the days of bootcamp.... I remember, I just
COULD NOT shoot the M16 righty. I was one of those "special recruits" where the had to clip a shroud of some sort onto the ejection port, so I wouldn't get biffed by ejecting shells. Anyway, I shot the M16 lefty and qualified easily with it.
My old PSE bow is a lefty model. My Remington 870 12GA is a lefty model. But my old Marlin Model 60 .22 is righty (which doesn't really matter shooting it lefty - I just learned to hold my right elbow down bit when I was a kid.
Butch A.