BS EN ISO 9342-2:2005
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
Hardcopy , PDF
English
30-04-2010
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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.
| 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 |
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.
| Standards | Relationship |
| NF EN ISO 9342-2 : 2006 | Identical |
| NEN EN ISO 9342-2 : 2005 | Identical |
| UNE-EN ISO 9342-2:2007 | Identical |
| UNI EN ISO 9342-2 : 2006 | Identical |
| NS EN ISO 9342-2 : 1ED 2006 | Identical |
| EN ISO 9342-2:2005 | Identical |
| NBN EN ISO 9342-2 : 2006 | Identical |
| ISO 9342-2:2005 | Identical |
| I.S. EN ISO 9342-2:2006 | Identical |
| SN EN ISO 9342-2 : 2006 | Identical |
| DIN EN ISO 9342-2:2006-02 | Identical |
| 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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