IS 18917 : 2025/ISO 21987: 2017 Ophthalmic Optics - Mounted Spectacle Lenses

NATIONAL FOREWORD

This Indian Standard which is identical to ISO 21987 : 2017 'Ophthalmic optics - Mounted spectacle lenses' issued by the International Organization for Standardization (ISO) was adopted by Bureau of Indian Standards on the recommendation of the Ophthalmic Instruments and Appliances Sectional Committee and approval of the Medical Equipment and Hospital Planning Division Council.