TESS

Measurement and calibration devices for spectacle lenses and ophthalmic lenses intended for use in association with spectacle lens and ophthalmic lens edgers, namely, TRACERS FOR TRACING AND FOLLOWING THE CONTOURS OF spectacle frame rims, spectacle lenses, ophthalmic lenses and lens patterns; remote controls for the aforesaid apparatus and instruments; computer software for controlling and monitoring the aforesaid apparatus and instruments; cables arid connectors for electric power supply to the aforesaid apparatus and instruments and for connecting these to edgers or personal computers; computer software for quality control of spectacle lenses and ophthalmic lenses