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BS EN ISO 18369-3:2017

BS EN ISO 18369-3:2017

Current

Current

The latest, up-to-date edition.

Ophthalmic optics. Contact lenses Measurement methods

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-30-2018

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Methods of measurement for contact lenses
5 Test report
Annex A (informative) - Measurement of rigid
        contact lens curvature using interferometry
Annex B (informative) - Measurement of label
        back vertex power of soft contact lenses
        immersed in saline using the Moire
        deflectometer or Hartmann methods
Annex C (informative) - Measurement of the
        radius of curvature of contact lenses using
        the ophthalmometer
Annex D (informative) - Paddle support for
        focimeters used for power measurements
        of contact lenses
Bibliography

Defines the methods for measuring the physical and optical properties of contact lenses specified in ISO 18369-2, i.e. radius of curvature, label back vertex power, diameter, thickness, inspection of edges, inclusions and surface imperfections and determination of spectral transmittance.

This document specifies the methods for measuring the physical and optical properties of contact lenses specified in ISO18369‑2 , i.e. radius of curvature, label back vertex power, diameter, thickness, inspection of edges, inclusions and surface imperfections and determination of spectral transmittance. This document also specifies the equilibrating solution, i.e. standard saline solution, for testing of contact lenses.

Committee
CH/172/9
DevelopmentNote
Supersedes BS EN ISO 10338, BS EN ISO 10344, BS EN ISO 8599, BS EN ISO 9337-1, BS EN ISO 9337-2, BS EN ISO 9338, BS EN ISO 9339-1, BS EN ISO 9339-2 and BS EN ISO 9341. Supersedes 04/30088797 DC (10/2006) Supersedes BS 7208-8(1998), BS 7208-11(1998), BS 7208-10(1998), BS 7208-15(1998), BS 7208-18(1998), BS 7208-4(1997) & BS 7208-7(1998). (05/2013) Supersedes 16/30310662 DC.(10/2017)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 18369-1:2017 Ophthalmic optics — Contact lenses — Part 1: Vocabulary, classification system and recommendations for labelling specifications
ISO 14534:2011 Ophthalmic optics Contact lenses and contact lens care products Fundamental requirements
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 10343:2014 Ophthalmic instruments — Ophthalmometers
ISO 18369-2:2017 Ophthalmic optics — Contact lenses — Part 2: Tolerances
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 18369-4:2017 Ophthalmic optics — Contact lenses — Part 4: Physicochemical properties of contact lens materials
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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