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BS EN ISO 18369-4:2017 | 30 Apr 2018 | BSI Knowledge
Standard
BS EN ISO 18369-4:2017
Ophthalmic optics. Contact lenses - Physicochemical properties of contact lens materials
Current
•
Published:
30 Apr 2018
Overview
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References
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1 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.
Product Details
Descriptors
Deformation
Water content determination
Permeability measurement
Optics
Bend testing
Chemical analysis and testing
Solvent extraction methods
Optical measurement
Oxygen
Refractive index
Ophthalmology
Ophthalmic equipment
Contact lenses
Chemical properties
Mechanical testing
ICS Codes
11.040.70 Ophthalmic equipment
Committee
CH/172/9
International relationships
Identical to:
EN ISO 18369-4:2017
ISO 18369-4:2017
ISBN
978 0 539 00790 9
Publisher
BSI