16/30310662 DC : 0

Superseded

View Superseded by

BS EN ISO 18369-3 - OPHTHALMIC OPTICS - CONTACT LENSES - PART 3: MEASUREMENT METHODS

Available format(s)

Hardcopy , PDF

Superseded date

31-10-2017

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
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) - Determination of back
        vertex power of soft contact lenses immersed in
        saline using the Moir? deflectometer or
        Hartmann methods
Annex C (informative) - Use of the ophthalmometer to
        measure the radius of curvature of contact lenses
Annex D (informative) - Paddle support for focimeters
        used for power measurements of contact lenses
Bibliography

BS EN ISO 18369-3.

Committee	CH/172/9
DocumentType	Draft
Pages	48
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 18369-3:2017

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
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 3696:1987	Water for analytical laboratory use — Specification and test methods
BS 1647-2:1984	pH measurement Specification for reference value standard solutions and operational reference standard solutions
ISO 8598-1:2014	Optics and optical instruments — Focimeters — Part 1: General purpose instruments