NEN EN ISO 19980 : 2012
Current
The latest, up-to-date edition.
OPHTHALMIC INSTRUMENTS - CORNEAL TOPOGRAPHERS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Area measured
4.2 Measurement sample density
4.3 Measurement and report of performance
4.4 Colour presentation of results
5 Test methods and test devices
5.1 Tests
5.2 Test surfaces
5.3 Data collection, test surfaces
5.4 Analysis of the data
6 Accompanying documents
7 Marking
Annex A (informative) Test surfaces for corneal
topographers
Annex B (normative) Standardized displays for corneal
topographers
Annex C (normative) Calculation of area-weighting values
Annex D (normative) Test methods for measuring human corneas
Bibliography
Defines minimum requirements for instruments and systems that fall into the class of corneal topographers (CTs).
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| ONORM EN ISO 19980 : 2012 | Identical |
| SN EN ISO 19980 : 2012 | Identical |
| ISO 19980:2012 | Identical |
| NS EN ISO 19980 : 2012 | Identical |
| EN ISO 19980:2012 | Identical |
| BS EN ISO 19980:2012 | Identical |
| I.S. EN ISO 19980:2012 | Identical |
| UNI EN ISO 19980 : 2012 | Identical |
| NF EN ISO 19980 : 2012 | Identical |
| UNE-EN ISO 19980:2012 | Identical |
| DIN EN ISO 19980:2012-07 | Identical |
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