This part of ABNT NBR ISO 8980 specifies requirements for the optical and geometrical properties for uncut finished single-vision and multifocal spectacle lenses.
ABNT NBR ISO 8980-1:2012 history
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2012ABNT NBR ISO 8980-1:2012 Ophthalmic optics - Spectacle lenses and finished uncut Part 1: Specification for vision monofocal lenses and multifocal