M00019880
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ISO FDIS 18369-4 2017 Edition, April 3, 2017 OPHTHALMIC OPTICS - CONTACT LENSES - PART 4: PHYSICOCHEMICAL PROPERTIES OF CONTACT LENS MATERIALS
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Availability date: 07/14/2021
Description / Abstract: This document 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.