A method of manufacturing injection-molded components having complex features is disclosed. The user device is connected over the network to an identification module which may be operable to identify a patient and associate that patient with pre-established criteria. The right amount of gel is contained in an applicator for application to one or two eyes. A binding portion which mechanically restricts the optical member with respect to the rigid portion body is provided on at least a part of the boundary between the mounting hole and the optical member mounted in the mounting hole. Methods of controlling the chirp of a commercially available transmitters are also disclosed.