martin Im sorry if it did not cure your issues completely, but heterophoria and research into its treatment is as scientific as it can be. I would share some 200 pages I read about it from various diploma theses over one weekend, but its not in english. Can you share more detailed report of your issue
I'm not saying they are all quacks or there isn't something to it. Far from it. But the field seems to be a lot like chiropractics: There are plenty of practitioners who recognize what the treatment is and isn't good for, but far more who jump right off the deep end and claim vision therapy is a cure for everything.
I've seen, geez, over 30 or so specialists in every neurological an opthomological discipline you can imagine, across 7 states (NJ, PA, MD, VA, NY, CA, OH, and AZ) and counting, across the last 15+ years I've had this disability. I learned early on this is a seriously understudied and barely understood, very rare phenomenon, and people with conditions like that are a feeding frenzy for fraudsters, scammers, pseudoscience practitioners, and all the quacks who promise THEY are the ones with the cure, please sign the check here.
Once Facial pain specialist literally started talking about chakras. You need to be hyper vigilant and skeptical about the claims people make. As people suffering from something poorly understood and treated by mainstream medicine, we are a lightning rod for these kooks. Just keep your eyes open is all I'm saying.