This International Standard specifies requirements for mounted spectacle lenses relative to the prescription order.
EN ISO 21987:2009 Referenced Document
ISO 13666 Ophthalmic optics — Spectacle lenses — Vocabulary
ISO 14889:2003 Ophthalmic optics - Spectacle lenses - Fundamental requirements for uncut finished lenses
ISO 7944 Optics and optical instruments - Reference wavelengths; Technical Corrigendum 1
ISO 8429 Optics and optical instruments; Ophthalmology; Graduated dial scale
ISO 8598 Optics and optical instruments - Focimeters; Technical corrigendum 1
ISO 8624 Ophthalmic optics — Spectacle frames — Measuring system and vocabulary
ISO 8980-1 Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses
ISO 8980-2 Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for power-variation lenses
ISO 8980-3 Ophthalmic optics — Uncut finished spectacle lenses — Part 3: Transmittance specifications and test methods — Amendment 1
ISO 8980-4 Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings
ISO 8980-5 Ophthalmic optics - Uncut finished spectacle lenses - Part 5: Minimum requirements for spectacle lens surfaces claimed to be abrasion-resistant
2009EN ISO 21987:2009 Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2009)
EN ISO 21987:2009 Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2009) has been changed from BS 2738-1:1998 Spectacle lenses - Specification for tolerances on optical properties of mounted spectacle lenses.