NBN EN ISO 18369-4 : 2006
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - CONTACT LENSES - PART 4: PHYSICOCHEMICAL PROPERTIES OF CONTACT LENS MATERIALS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Physicochemical properties of contact lenses
4.1 Repeatability, test methods and units of measure
4.2 Extractables
4.3 Rigid lens flexural deformation and rupture
4.4 Oxygen permeability
4.5 Refractive index
4.6 Water content
5 Test report
Bibliography
Describes the methods of testing the physicochemical properties of contact lens materials.
| DevelopmentNote |
Supersedes NBN EN ISO 8321-1 and NBN EN ISO 8321-2. (03/2008) Supersedes NBN EN ISO 9914, NBN EN ISO 9913-1, NBN EN ISO 10339, NBN EN ISO 11984, NBN EN ISO 9913-2 and NBN EN ISO 10340. (11/2009)
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| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS 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 |
| EN ISO 18369-4:2017 | Identical |
| UNI EN ISO 18369-4 : 2007 | Identical |
| I.S. EN ISO 18369-4:2017&LC:2018 | 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 |
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