The primary tool for a visual approach is the window.
I don't know about that. The window is for spotting traffic/ wx and flying to a visual aiming point on final.
Hitting 10 nm to run at 3000-3300 agl F2 (F5) at 160 kt / Ref +40 is going to work every time. Unless you are in a position you can join downwind for that perfect cct we all get assessed on in the sim....