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EN ISO 9337-1 : 2000

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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CONTACT LENSES - DETERMINATION OF BACK VERTEX POWER - PART 1: METHOD USING FOCIMETER WITH MANUAL FOCUSING

Published date

12-01-2013

Superseded date

01-08-2006

Superseded by

EN ISO 18369-3:2017

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Summarise this standard

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Determination of back vertex power
  4.1 Principle
  4.2 Apparatus and reagent
  4.3 Conditioning of lenses prior to testing
  4.4 Procedure
      4.4.1 Calibration
      4.4.2 Measurement of back vertex power of rigid contact
            lenses
      4.4.3 Measurement of back vertex power of hydrogel
            contact lenses
5 Expression of results
6 Precision data
7 Test report
Annex A (informative) Precision data
Annex ZA (normative) Normative references to international
         publications with their relevant European publications
Bibliography

Gives test procedures for determining the back vertex power of both rigid and hydrogel contact lenses in air using a focimeter with manual focusing. Applies to finished contact lenses.

Committee
TC 170
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

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