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NEN-EN-ISO 18369-4

Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials

active, Most Current
Organization: NEN
Publication Date: 1 January 2018
Status: active
ICS Code (Ophthalmic equipment): 11.040.70
scope:

NEN-EN-ISO 18369-4 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content.

Document History

NEN-EN-ISO 18369-4
January 1, 2018
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
NEN-EN-ISO 18369-4 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive...
September 1, 2017
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
NEN-EN-ISO 18369-4 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive...
September 1, 2006
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
This part of ISO 18369 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability,...
May 1, 2004
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
This part of ISO 18369 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability,...

References

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