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ISO 18369-4:2017
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ISO 18369-4:2017 Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
standard by International Organization for Standardization, 08/01/2017
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Full Description
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.