ISO/TC172 TAG RosterSC 1 – Fundamental Standards SC3 – Optical Materials & Components SC4 – Telescopic Systems SC5 – Microscopes & Endoscopes SC6 – Geodetic & Surveying Instruments SC7 – Ophthalmic Optics & Instruments WG2 – Spectacle Frames WG3 – Spectacle Lenses WG6 – Ophthalmic Instruments & Test Methods WG7 – Ophthalmic Implants WG8 – Data Interchange WG9 – Contact Lenses SC9 – Electro-Optical Systems Membership List of ANSI/OEOSC TAG to ISO/TC 172SC 7 – Ophthalmic Optics & InstrumentsWG2 – Spectacle Frames WG3 – Spectacle Lenses WG6 – Ophthalmic Instruments & Test Methods WG7 – Ophthalmic Implants WG8 – Data Interchange WG9 – Contact Lenses