I.S. EN ISO 18369-4:2017&LC:2018
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - CONTACT LENSES - PART 4: PHYSICOCHEMICAL PROPERTIES OF CONTACT LENS MATERIALS (ISO 18369-4:2017, 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.
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National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Physicochemical properties of contact lenses
5 Test report
Annex A (informative) - Determination of oxygen
permeability using the coulometric method
Annex B (informative) - Determination of water
content by refractive index
Annex C (informative) - Calculation of oxygen
permeability of hydrogel lenses based on
water content
Annex D (informative) - Measurement of refractive
index using a prism coupling device
Bibliography
Defines the methods of testing the physicochemical properties of contact lens materials.
| Committee |
ISO/TC 172
|
| DevelopmentNote |
Supersedes I.S. EN ISO 10339, I.S. EN ISO 10340, I.S. EN ISO 11984, I.S. EN ISO 9913-1, I.S. EN ISO 9913-2 and I.S. EN ISO 9914. (06/2007)
|
| DocumentType |
Test Method
|
| Pages |
56
|
| ProductNote |
THIS STANDARD IS IDENTICAL TO EN ISO 18369-4 : 2017 Correction version is now available for this standard. 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
|
| Standards | Relationship |
| BS EN ISO 18369-4:2017 | Identical |
| EN ISO 18369-4:2017 | Identical |
| DIN EN ISO 18369-4:2016-06 (Draft) | Identical |
| ISO 18369-4:2017 | Identical |
| UNE-EN ISO 18369-4:2007 | Identical |
| NBN EN ISO 18369-4 : 2006 | Identical |
| UNI EN ISO 18369-4 : 2007 | Identical |
| ONORM EN ISO 18369-4 : 2018 | Identical |
| SN EN ISO 18369-4 : 2018 | Identical |
| NF EN ISO 18369-4 : 2017 | Identical |
| NS EN ISO 18369-4 : 2017 | Identical |
| NEN EN ISO 18369-4 : 2017 + COR 2018 | Identical |
| ASTM F 1927 : 2014 : REDLINE | Standard Test Method for Determination of Oxygen Gas Transmission Rate, Permeability and Permeance at Controlled Relative Humidity Through Barrier Materials Using a Coulometric Detector |
| ISO 18369-1:2017 | Ophthalmic optics — Contact lenses — Part 1: Vocabulary, classification system and recommendations for labelling specifications |
| ISO 18369-2:2017 | Ophthalmic optics — Contact lenses — Part 2: Tolerances |
| ISO 18369-3:2017 | Ophthalmic optics — Contact lenses — Part 3: Measurement methods |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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