I get where you are coming from, and I can see why you believe the multiple line approach based on the same location creates a constant visual perspective. More to think about, and this is why I hope to work on it with you. Lots to learn here, if one keeps an open mind.
Maybe this is off base but here is an example of an experience that happened to me.
25 or so years ago I decided to switch to contact lenses in place of glasses. First thing I did was put the contacts on at home and ran to the pool table. To my shock the balls were all ovals, they were not round any more. At some point in time they became round again, as my brain adapted to the sensory information coming in, and began processing it as a round sphere, and not an egg shaped object. Trust me I was ready to take back those contacts when it first happened.
Fast forward to last year, I had a second procedure done on my left eye which was deteriorating slowly. I know that I had compensated for the difference in visual acuity in my set position all of those years as it was slowly getting worse. This is the reason I started to come across the shotline when I was standing up. My final head position now is changed over the cue in part that both of my eyes are working as an equal team.
Spot on! Using both eyes as an equal team is optimal for the purest form of CTE. My advice is to maintain that approach. It will make your visual alignments adjustments for learning CTE much easier.
Stan Shuffett