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ISO 18369-4

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

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Organization: ISO
Publication Date: 1 August 2017
Status: active
Page Count: 44
ICS Code (Ophthalmic equipment): 11.040.70
scope:

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.

Document History

ISO 18369-4
August 1, 2017
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
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...
ISO 18369-4
August 1, 2017
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
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...
ISO 18369-4
August 15, 2006
Ophthalmic optics Contact lenses Part 4: Physicochemical properties of contact lens materials
This part of ISO 18369 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability,...

References

This document references:
ISO 18369-3 - Ophthalmic optics - Contact lenses - Part 3: Measurement methods
Published by ISO on August 1, 2017
This document specifies the methods for measuring the physical and optical properties of contact lenses specified in ISO 18369-2, i.e. radius of curvature, label back vertex power, diameter,...
This document references:
ISO 18369-1 - Ophthalmic optics - Contact lenses - Part 1: Vocabulary, classification system and recommendations for labelling specifications
Published by ISO on August 1, 2017
This document identifies and defines the terms applicable to the physical, chemical and optical properties of contact lenses, their manufacture and uses. It provides a vocabulary of terms and, when...
This document references:
ISO 18369-2 - Ophthalmic optics - Contact lenses - Part 2: Tolerances
Published by ISO on August 1, 2017
This document specifies the tolerance limits of the principal optical and physical parameters of rigid corneal, rigid scleral and soft contact lenses at the time of manufacture. These tolerances...
This document references:
ASTM F1927 - Standard Test Method for Determination of Oxygen Gas Transmission Rate, Permeability and Permeance at Controlled Relative Humidity Through Barrier Materials Using a Coulometric Detector
Published by ASTM on June 1, 2020
This test method covers a procedure for determination of the rate of transmission of oxygen gas, at steady-state, at a given temperature and %RH level, through film, sheeting, laminates,...
This document references:
ISO 18369-3 - Ophthalmic optics - Contact lenses - Part 3: Measurement methods
Published by ISO on August 1, 2017
This document specifies the methods for measuring the physical and optical properties of contact lenses specified in ISO 18369-2, i.e. radius of curvature, label back vertex power, diameter,...
This document references:
ISO 18369-1 - Ophthalmic optics - Contact lenses - Part 1: Vocabulary, classification system and recommendations for labelling specifications
Published by ISO on August 1, 2017
This document identifies and defines the terms applicable to the physical, chemical and optical properties of contact lenses, their manufacture and uses. It provides a vocabulary of terms and, when...
This document references:
ISO 18369-2 - Ophthalmic optics - Contact lenses - Part 2: Tolerances
Published by ISO on August 1, 2017
This document specifies the tolerance limits of the principal optical and physical parameters of rigid corneal, rigid scleral and soft contact lenses at the time of manufacture. These tolerances...
This document references:
ISO 3696 - Water for Analytical Laboratory Use - Specification and Test Methods
Published by ISO on April 15, 1987
Scope and field of application This International Standard specifies the requirements and corresponding test methods for three grades of water for laboratory use for the analysis of inorganic...
This document is referenced by:
ISO 11981 - Ophthalmic optics - Contact lenses and contact lens care products - Determination of physical compatibility of contact lens care products with contact lenses
Published by ISO on November 1, 2017
This document describes the general procedure and performance criteria for assessing the physical compatibility of contact lens care products with contact lenses and for determining whether the...
This document is referenced by:
EN ISO 11981 - Ophthalmic optics - Contact lenses and contact lens care products -Determination of physical compatibility of contact lens care products with contact lenses
Published by CEN on December 1, 2017
This document describes the general procedure and performance criteria for assessing the physical compatibility of contact lens care products with contact lenses and for determining whether the...
This document is referenced by:
Z80.18 - For Ophthalmics – Contact Lens Care Products – Vocabulary, Performance Specifications, and Test Methodology
Published by ANSI on December 6, 2016
This American National Standard applies to contact lens care products (CLCP) which are marketed for use with hard (PMMA), rigid gas permeable (RGP), enhanced oxygen permeable materials, and soft...
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