Quote Originally Posted by Pam View Post

My boss takes the height (bifocal measurement) with the patient wearing the glasses. It can be different from frame to frame, depending on the size of the frame and where the patient feels that the frame is sitting most comfortably on their nose. At my office that is never put on a patient's script because of the fact that it can vary.
Thanks Pam - that's what I thought too - which lead to my question of how this could be done accurately by mail order.