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BS EN ISO 9342-2:2005

BS EN ISO 9342-2:2005

Current

Current

The latest, up-to-date edition.

Optics and optical instruments. Test lenses for calibration of focimeters Test lenses for focimeters used for measuring contact lenses

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-2010

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design requirements and recommendations for test lenses
5 Tolerances for spherical test lenses
Annex A (informative) Manufacture of test lenses for
                      calibration of focimeters used for
                      measuring contact lenses
Bibliography

Provides requirements for test lenses for focimeters that are used to measure contact lenses.

This part of ISO9342 specifies requirements for test lenses for focimeters that are used to measure contact lenses. These test lenses are used to find the precise correction values that are needed to convert the power values measured to back vertex power values, as defined in Clause3.

This part of ISO9342 applies to focimeters meeting the requirements of ISO8598.

Committee
CH/172/6
DevelopmentNote
Supersedes 03/117773 DC. (02/2006) Together with BS EN ISO 9342-1, it supersedes BS EN ISO 9342. (04/2010)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 7944:1998 Optics and optical instruments — Reference wavelengths
ISO 18369-3:2017 Ophthalmic optics — Contact lenses — Part 3: Measurement methods

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Hardcopy - English
PDF - English
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