Spectacle glass-eye distance and pantoscopic angle measuring method, involves superimposing semi-transparent image of subject without frame and semi-transparent image of subject with frame for obtaining perfect concordance

摘要

The method involves obtaining an image of a side view of a subject without spectacle frame and an image of a side view of the subject with spectacle frame. The images are processed in order to render the images semi-transparent. The semi-transparent image of the subject without frame and the semi-transparent image of the subject with frame are superimposed for obtaining perfect concordance. An independent claim is also included for a method for measuring pupil with respect to a spectacle frame.