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About This Item

 

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.

 

Document History

  1. ISO 18369-4:2017

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

    • Most Recent
  2. ISO 18369-4:2006


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

    • Historical Version