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BS EN ISO 21987:2017

Current
Current

The latest, up-to-date edition.

Ophthalmic optics. Mounted spectacle lenses
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-15-2017

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
6 Verification methods
7 Marking for position-specific single-vision lenses and
   power-variation lenses
8 Recommendations on mounting
9 Identification
10 Reference to this document
Annex A (informative) - Material and surface quality
Annex B (informative) - Recommendations on mounting
Annex C (informative) - Alternative method for measuring prism
        imbalance (relative prism error) for mounted single-vision
        lenses (excluding position-specific single-vision lenses)
        and multifocal lenses
Bibliography
Annex ZA (informative) - Relationship between this
         document and the Essential Requirements of
         Directive 93/42/EEC [OJ L 169] aimed to be
         Covered

Gives requirements and test methods for mounted spectacle lenses relative to the prescription order.

This document specifies requirements and test methods for mounted spectacle lenses relative to the prescription order.

Committee
CH/172/3
DevelopmentNote
Supersedes BS 2738-1(1998). Supersedes 08/30156013 DC. (12/2009) Supersedes 16/30320072 DC. (10/2017)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 21987:2017 Identical
ISO 21987:2017 Identical

EN ISO 13666:2012 Ophthalmic optics - Spectacle lenses - Vocabulary (ISO 13666:2012)
ISO 8980-3:2013 Ophthalmic optics Uncut finished spectacle lenses Part 3: Transmittance specifications and test methods
ISO 8980-5:2005 Ophthalmic optics Uncut finished spectacle lenses Part 5: Minimum requirements for spectacle lens surfaces claimed to be abrasion-resistant
EN ISO 8980-1:2017 Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses (ISO 8980-1:2017)
ISO 8980-1:2017 Ophthalmic optics — Uncut finished spectacle lenses — Part 1: Specifications for single-vision and multifocal lenses
EN ISO 8624:2011/A1:2015 OPHTHALMIC OPTICS - SPECTACLE FRAMES - MEASURING SYSTEM AND TERMINOLOGY (ISO 8624:2011/AMD 1:2015)
ISO 13666:2012 Ophthalmic optics Spectacle lenses Vocabulary
ISO 14889:2013 Ophthalmic optics — Spectacle lenses — Fundamental requirements for uncut finished lenses
EN ISO 8980-2:2017 Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for power-variation lenses (ISO 8980-2:2017)
EN ISO 8598-1:2014 Optics and optical instruments - Focimeters - Part 1: General purpose instruments (ISO 8598-1:2014)
ISO 8980-4:2006 Ophthalmic optics Uncut finished spectacle lenses Part 4: Specifications and test methods for anti-reflective coatings
ISO 8980-2:2017 Ophthalmic optics — Uncut finished spectacle lenses — Part 2: Specifications for power-variation lenses
EN ISO 8429 : 1996 Optics and optical instruments - Ophthalmology - Graduated dial scale (ISO 8429:1986)
ISO 8624:2011 Ophthalmic optics Spectacle frames Measuring system and terminology
ISO 7944:1998 Optics and optical instruments — Reference wavelengths
ISO/TR 28980:2007 Ophthalmic optics Spectacle lenses Parameters affecting lens power measurement
EN ISO 7944:1998 Optics and optical instruments - Reference wavelengths (ISO 7944:1998)
ISO 8429:1986 Optics and optical instruments Ophthalmology Graduated dial scale
ISO 8598-1:2014 Optics and optical instruments — Focimeters — Part 1: General purpose instruments

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Hardcopy - English
PDF - English
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