All those AR accessories are both a curse and a blessing, I figure.
My wife is cross eye dominant (right handed, left eye dominant) and doesn't much like shooting rifles.
I found a picatinny rail that attaches to the bayonet lug (ProMag) and a tiny pistol laser (LaserLyte Sub Compact V3) to address the issue. I don't like stuff hanging off my firearms, but this appears very low profile and unassuming. And relatively cheap too, $24 and $79 respectively.
If it were any other firearm, such accessories would have been much harder to locate, I believe. But on the flip side, I can see how easy it is to throw money at these things.