How does one adjust to aging eyes. Mine aren't terrible yet, but, definitely not what they use to be. I get by with cheaters 1.75 or 2. So I can wear them and still see downrange. Shooting without them is definitely a problem, as I can't really focus on front pistol sights. I practice with the glasses both on and off. Obviously accuracy takes a hit without the glasses, but still passible. Best options?