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download between 0-24 hoursReleased: 2017
ISO 18369-4:2017
ISO 18369-4:2017-Ophthalmic optics — Contact lenses-Part 4: Physicochemical properties of contact lens materials
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French Hardcopy
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Standard´s number: | ISO 18369-4:2017 |
Pages: | 36 |
Edition: | 2 |
Released: | 2017 |
DESCRIPTION
ISO 18369-4:2017
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.