ISO/PWI 18369-4

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

General information

Current stage: 00.00 Proposal for new project received May 26, 2023

Originator: ISO

Owner: ISO/TC 172/SC 7 Ophthalmic optics and instruments

Type: International Standard

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

PUBLISHED
ISO 18369-4:2017

NOW

IN_DEVELOPMENT
ISO/PWI 18369-4
00.00 Proposal for new project received
May 26, 2023