EN 166 to ISO 16321: Transition Guide | Certus

What changes when eye protection moves from EN 166 to ISO 16321, and how to keep your prescription safety eyewear compliant.

Certus is a UK platform for managing prescription safety eyewear compliance to EN 166, covering hazard assessments, ordering, optician verification and certificate records. Operated by Certus Safety Ltd, registered in England and Wales, company number 17364362.