AS/NZS 8980.1:2019
Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses
Specifies requirements and verification methods for the optical and geometrical properties for uncut finished single-vision and multifocal spectacle lenses. Adopted with national modifications from ISO 8980-1:2017.
AS/NZS 8980.1:2019 Ophthalmic optics - Uncut finished spectacle lenses Specifications for single-vision and multifocal lenses (ISO 8980-1:2017, MOD)
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
5.1 Reference temperature
5.2 Optical requirements
5.2.1 General
5.2.2 Back vertex power
5.2.3 Direction of the cylinder axis
5.2.4 Addition power for multifocal lenses
5.2.5 Prismatic power
5.2.6 Prism base setting
5.3 Geometrical requirements
5.3.1 Requirements for size and thickness
5.3.2 Requirements on segment dimensions for multifocal lenses
5.4 Orientation requirement for polarizing lenses
6 Verification methods
6.1 General
6.2 Verification method for back vertex power
6.3 Verification method for the direction of the cylinder axis
6.3.1 General
6.3.2 Single-vision lenses
6.3.3 Multifocal lenses
6.4 Verification method for prismatic power
6.4.1 General
6.4.2 Single-vision lenses (excluding position-specific single-vision lenses)
6.4.3 Position-specific single-vision lenses
6.4.4 Multifocal lenses
6.5 Verification method for addition power
6.5.1 General
6.5.2 Procedure
6.6 Verification method for segment size
6.7 Inspection method for material and surface quality
7 Marking requirements for single-vision lenses
7.1 Position-specific single-vision lenses
7.2 Polarizing lenses
8 Identification and information
9 Reference to this document
Annex A (informative) Material and surface quality
Bibliography
Appendix ZZ (normative) Variations to ISO 8980-1:2017 for Australia and New Zealand
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AS/NZS 8980.1:2019 Ophthalmic optics - Uncut finished spectacle lenses Specifications for single-vision and multifocal lenses (ISO 8980-1:2017, MOD)
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
5.1 Reference temperature
5.2 Optical requirements
5.2.1 General
5.2.2 Back vertex power
5.2.3 Direction of the cylinder axis
5.2.4 Addition power for multifocal lenses
5.2.5 Prismatic power
5.2.6 Prism base setting
5.3 Geometrical requirements
5.3.1 Requirements for size and thickness
5.3.2 Requirements on segment dimensions for multifocal lenses
5.4 Orientation requirement for polarizing lenses
6 Verification methods
6.1 General
6.2 Verification method for back vertex power
6.3 Verification method for the direction of the cylinder axis
6.3.1 General
6.3.2 Single-vision lenses
6.3.3 Multifocal lenses
6.4 Verification method for prismatic power
6.4.1 General
6.4.2 Single-vision lenses (excluding position-specific single-vision lenses)
6.4.3 Position-specific single-vision lenses
6.4.4 Multifocal lenses
6.5 Verification method for addition power
6.5.1 General
6.5.2 Procedure
6.6 Verification method for segment size
6.7 Inspection method for material and surface quality
7 Marking requirements for single-vision lenses
7.1 Position-specific single-vision lenses
7.2 Polarizing lenses
8 Identification and information
9 Reference to this document
Annex A (informative) Material and surface quality
Bibliography
Appendix ZZ (normative) Variations to ISO 8980-1:2017 for Australia and New Zealand