At the other extreme you have the medical profession where the first thing you learn in medical school is that left/right always refer to the patient's perspect

At the other extreme you have the medical profession where the first thing you learn in medical school is that left/right always refer to the patient's perspective. In an effort to avoid ambiguity, I always talk to my doctor in terms of "driver's side" and "passenger side" - thus adopting the maritime approach, but in more common terms.