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I.S. EN ISO 21987:2017

Current

Current

The latest, up-to-date edition.

OPHTHALMIC OPTICS - MOUNTED SPECTACLE LENSES (ISO 21987:2017)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2017

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€42.00
Excluding VAT

National Foreword
European foreword
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

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

DocumentType
Standard
Pages
40
PublisherName
National Standards Authority of Ireland
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
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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