I.S. EN ISO 8598-1:2014
Current
The latest, up-to-date edition.
OPTICS AND OPTICAL INSTRUMENTS - FOCIMETERS - PART 1: GENERAL PURPOSE INSTRUMENTS USED FOR MEASURING SPECTACLE LENSES (ISO 8598-1:2014)
Hardcopy , PDF
English
01-01-2014
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements for general purpose focimeters
5 Metrological requirements
6 Test procedures
7 Marking
Annex A (informative) - Use of correction values when
measuring spectacle lenses
Annex B (informative) - Example for evaluation of
uncertainty of measurement for automated
focimeters for general use
Annex C (normative) - Specifications of special
reference lenses
Annex D (informative) - Information for users on the
performance of general purpose focimeters covered
by this part of ISO 8598
Bibliography
Defines requirements and test methods for general purpose focimeters designed for the measurement of vertex powers, cylinder axis, prismatic power and prism base setting within a restricted area at a specified location of a lens.
| DevelopmentNote |
Supersedes I.S. EN ISO 8598. (10/2014)
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 8598-1:2014 | Identical |
| EN ISO 8598-1:2014 | Identical |
| ISO 21987:2017 | Ophthalmic optics — Mounted spectacle lenses |
| ISO 9342-1:2005 | Optics and optical instruments — Test lenses for calibration of focimeters — Part 1: Test lenses for focimeters used for measuring spectacle lenses |
| ISO 8980-1:2017 | Ophthalmic optics — Uncut finished spectacle lenses — Part 1: Specifications for single-vision and multifocal lenses |
| ISO 9801:2009 | Ophthalmic instruments — Trial case lenses |
| ISO 13666:2012 | Ophthalmic optics Spectacle lenses Vocabulary |
| ISO/IEC Guide 99:2007 | International vocabulary of metrology Basic and general concepts and associated terms (VIM) |
| ISO 8980-2:2017 | Ophthalmic optics — Uncut finished spectacle lenses — Part 2: Specifications for power-variation lenses |
| ISO 7944:1998 | Optics and optical instruments — Reference wavelengths |
| ISO 18369-3:2017 | Ophthalmic optics — Contact lenses — Part 3: Measurement methods |
| ISO/TR 28980:2007 | Ophthalmic optics Spectacle lenses Parameters affecting lens power measurement |
| ISO 8429:1986 | Optics and optical instruments Ophthalmology Graduated dial scale |
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