Facetting area setting device and eyeglass lens processing apparatus

摘要

A facetting area setting device for setting a facetting area so as to perform a facetting on an edge corner of an eyeglass lens which ash been finished, includes: input means for inputting a target lens shape; display means for displaying a front outline graphic based on the input target lens shape; position setting means for setting at least three points in the displayed front outline graphic; and area setting means for setting a facetting area on the basis of the input target lens shape and the set points. The area setting means sets the facetting area by joining the set points with at least one of a straight line and a curved line.