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DS/EN ISO 8980-3:2013

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

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.*The fundamental requirements for uncut finished lenses, including reference to Clause 5.3 in this standard are in ISO 14889.*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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