BS EN ISO 8980-3:2013 PDF

Ophthalmic optics. Uncut finished spectacle lenses - Transmittance specifications and test methods

First page of standard BS EN ISO 8980-3:2013

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Title (English):

BS EN ISO 8980-3:2013

Ophthalmic optics. Uncut finished spectacle lenses - Transmittance specifications and test methods

Document status:: Withdrawn
Format:: Electronic (PDF)
Publication date:: October 31, 2013
ICS:: 11.040.70
Technical committee:: CEN
SKU:: BS EN ISO 8980-3:2013

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Abstract

1 Scope This part of ISO 8980 specifies requirements for the transmittance properties of uncut finished spectacle lenses and mounted pairs, including attenuation of solar radiation. This part of ISO 8980 is not applicable to

— spectacle lenses having particular transmittance or absorption characteristics prescribed for medical reasons;

— products where specific personal protective equipment transmittance standards apply;

— products intended for direct observation of the sun, such as for solar-eclipse viewing.

NOTE Optical and geometric requirements for uncut finished spectacle lenses are specified in ISO 8980-1 and ISO 8980-2, and for mounted lenses, in ISO 21987.

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BS EN ISO 8980-3:2013 PDF

Abstract

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