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SN EN ISO 19980 : 2012

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

OPHTHALMIC INSTRUMENTS - CORNEAL TOPOGRAPHERS (ISO 19980:2012)

Withdrawn date

01-08-2021

Superseded by

SN EN ISO 19980:2021

Published date

12-01-2013

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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

Describes the instruments, systems and methods that are intended to measure the surface shape of the cornea of the human eye.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Withdrawn
SupersededBy

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