ISO 8980-3:2022

International Standard   Current Edition · Approved on 23 June 2022

Ophthalmic optics — Uncut finished spectacle lenses — Part 3: Transmittance specifications and test methods

ISO 8980-3:2022 Files

English 34 Pages
Current Edition
73.01 BHD

ISO 8980-3:2022 Scope

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.

NOTE 1    By reference to ISO 21987 and ISO 14889, this document also applies to lenses mounted in spectacles.

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

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