BS PD ISO/TR 20772:2018

Ophthalmic optics. Spectacle lenses. Short wavelength visible solar radiation and the eye

BSI Group , 09/28/2018

Publisher: BS

File Format: PDF

$154.00$309.88


BS PD ISO/TR 20772:2018 describes visible solar radiation with wavelengths close to the UV range, its transmission to, within and the effects on the human eye. The wavelengths concerned are from 380 nm to 500 nm, covering the colours of violet, indigo and blue - often referred to as the "blue wavelengths".Cross References:ISO 13666ISO 4007ISO 11664-2:2007ISO 20473:2007ISO 12311:2013ISO 12312-1:2013ISO 14889:2013ISO 8980-3:2013ISO 12312-2:2015ISO 12312-1ISO 8980-3ISO 14889

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