What you are describing I think Is the fact that the prism moves the image so far azway from your straight ahead vision that you can ignore it more easily. I don't know that overcorrecting the original strabsimus by 10 prism diopters would be any better than your original deviation.
Prisms work the best looking straight ahead.
I don't think that you were seeing a reflection as you describe. Next Article Return to Main Article Article complete. Click HERE to return to the Public Information Menu.