BS EN ISO 8980-3:2022
Current
The latest, up-to-date edition.
Ophthalmic optics. Uncut finished spectacle lenses Transmittance specifications and test methods
Hardcopy , PDF
English
13-07-2022
Committee |
CH/172/3
|
DocumentType |
Standard
|
Pages |
48
|
PublisherName |
British Standards Institution
|
Status |
Current
|
Supersedes |
This document specifies requirements for the transmittance properties of uncut and unmounted finished spectacle lenses, including attenuation of solar radiation. This document is not applicable to — spectacle lenses having specific transmittance or absorption characteristics prescribed for medical reasons, — products to which specific personal protective equipment transmittance standards apply, and — products intended for direct observation of the sun, such as for solar-eclipse viewing. NOTE1 By reference to ISO 21987 and ISO 14889, this document also applies to lenses mounted in spectacles. NOTE2 Optical and geometric requirements are given for uncut finished spectacle lenses in ISO8980?1 andISO8980?2, and for mounted lenses, in ISO21987.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.