90.93 Standard confirmed May 26, 2023
ISO
ISO/TC 172/SC 7 Ophthalmic optics and instruments
International Standard
11.040.70 Ophthalmic equipment
Published
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.
WITHDRAWN
ISO 18369-4:2006
PUBLISHED
ISO 18369-4:2017
90.93
Standard confirmed
May 26, 2023
IN_DEVELOPMENT
ISO/PWI 18369-4