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
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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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
This document specifies the methods for measuring the physical and optical properties of contactlenses specified in ISO 18369-2, i.e. radius of curvature, label back vertex power, diameter, thickness, inspection of edges, inclusions and surface imperfections and determination of spectral transmittance.
| Committee |
ISO/TC 172
|
| DocumentType |
Standard
|
| Pages |
58
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN ISO 18369-3:2017 | Identical |
| ISO 18369-3:2017 | Identical |
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