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EN ISO 9337-1 : 2000

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Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

08-01-2006

Published date

01-12-2013

Publisher

Comite Europeen de Normalisation

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Superseded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

BS EN ISO 8321-1:2002 Optics and optical instruments. Contact lenses Rigid corneal and scleral contact lenses
ISO 8321-1:2002 Ophthalmic optics Specifications for material, optical and dimensional properties of contact lenses Part 1: Rigid corneal and scleral contact lenses
EN ISO 8321-1 : 2002 OPHTHALMIC OPTICS - SPECIFICATIONS FOR MATERIAL, OPTICAL AND DIMENSIONAL PROPERTIES OF CONTACT LENSES - PART 1: RIGID CORNEAL AND SCLERAL CONTACT LENSES

ISO 9342:1996 Optics and optical instruments Test lenses for calibration of focimeters
ISO 8320-1:2003 Contact lenses and contact lens care products Vocabulary Part 1: Contact lenses
EN ISO 10344 : 1998 OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - SALINE SOLUTION FOR CONTACT LENS TESTING
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 10344:1996 Optics and optical instruments Contact lenses Saline solution for contact lens testing
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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