BS ISO 9337-1 : 99 AMD 13236

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