I.S. EN ISO 18369-3:2017&LC:2018
Current
The latest, up-to-date edition.
Ophthalmic optics - Contact lenses - Part 3: Measurement methods (ISO 18369-3:2017, Corrected version 2017-10- 01)
Hardcopy , PDF
English
14-02-2018
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Methods of measurement for contact lenses
5 Test report
Annex A (informative) Measurement of rigid contact lens curvature using interferometry
Annex B (informative) Measurement of label back vertex power of soft contact lenses immersed in saline solution using the Moiré deflectometer or Hartmann methods
Annex C (informative) Measurement of the radius of curvature of contact lenses using the ophthalmometer
Annex D (informative) Paddle support for focimeters used for power measurements of contact lenses
Bibliography
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