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EN ISO 18369-4:2017

Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01)

Publication date:   Jan 15, 2018

General information

60.60   Standard published   Sep 20, 2017

CEN

CEN/TC 170 Ophthalmic optics

European Norm

11.040.70   Ophthalmic equipment

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Scope

ISO 18369-4:2017 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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 18369-4:2006

NOW

PUBLISHED
EN ISO 18369-4:2017
60.60 Standard published
Sep 20, 2017