CEN/TC 170/WG 5 - Contact lenses II
Contact lenses II
General Information
Frequently Asked Questions
CEN/TC 170/WG 5 is a Working Group within the European Committee for Standardization (CEN). It is named "Contact lenses II". This committee has published 1 standards.
CEN/TC 170/WG 5 develops CEN standards. Currently, there are 1 published standards from this working group.
The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.
A Working Group in CEN is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.
Specification of chemical analytic procedures for the determination of the purity of contact lens materials.
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