Drill jig for spectacle lens manufacture jig thereof, method of drilling for spectacle lens, and spectacle lens

摘要

A drill jig for a spectacle lens forms a closed-end hole in an edged face of the spectacle lens which extends inside the lens, a manufacture jig thereof, a method of drilling a spectacle lens, and a spectacle lens. The drill jig is composed of a jig body and a plurality of support members attached to the jig body. The spectacle lens is inserted and tightly retained in an opening of the jig body and supported by a plurality of the support members. A drill of a drill press, on which the drill jig is set, touches the edged face of the spectacle lens while being guided by a guide portion to thereby form the closed-end hole in the edged face.