All I can add is I was a driver for over 30 years. Also suffer from advanced Cervical arthritis and diabetic Neuropathy .

Anyway, my Doc wouldn't pass me on the required DOT physical, unless I saw a Neurologist and was given the OK. After tons of testing, the Neurologist said I was not physically qualified to drive a commercial vehicle.

When I interviewed with SSA, she said my age (57), high school education, and lack of skills that could be used doing other types of work, my chances of approval were very high.

I explained all of that in my medical review, and included a copy of my DOT physical report the Doctor had denied me on. I don't know how much influence that had, but was approved on the 1st application, with a 5-7 year review.