BS EN ISO 8980-3:2022

Ophthalmic optics. Uncut finished spectacle lenses. Transmittance specifications and test methods | Status: Current, Under review

1 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.