Essilor International

Franck Lestournelle

Aude Carrega

Armel Jimenez

Amelie Kudla

Amélie Kudla

The present invention relates to an optical article comprising a substrate with a front main face and a rear main face, having a colorimetric coefficient b* as defined in the CIE (1976) L*a*b* international colorimetric system that is lower than or equal to 4, a relative light transmission factor in the visible spectrum Tv higher than or equal to 87%, and blocking at least 8% of light having a wavelength ranging from 420 to 450 nm arriving on said front main face. This optical article can be used to protect the eyes of a user from phototoxic blue light.

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Charenton-le-Pont, France

Franck Lestournelle