ISO 18369-4:2017

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

Publication date: Aug 23, 2017

General information

Current stage: 90.93 Effective date: May 26, 2023

Originator: ISO

Owner: ISO/TC 172/SC 7

Type: International Standard

ICS: 11.040.70

Languages: English French

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Status: Published

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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

Revises
ISO 18369-4:2006

NOW

PUBLISHED
ISO 18369-4:2017
90.93 Standard confirmed
May 26, 2023

REVISED BY

IN_DEVELOPMENT
ISO/PWI 18369-4

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