UNI EN ISO 9337-1 : 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - METHOD USING FOCIMETER WITH MANUAL FOCUSING
13-09-2007
12-01-2013
Foreword
Introduction
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
Bibliography
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