Eyewear lens having selective spectral response

Details Eyewear lens having selective spectral response Eyewear lens having selective spectral response

G - Physics

02

C

G02C 7/10 (2006.01) G02B 5/23 (2006.01) G02C 7/12 (2006.01)

Patent

CA 2526331

An eyewear lens provides for selective spectral performance in response to varying light conditions, including both changes in intensity and spectral distribution. The lens responds selectively to both ultraviolet and visible light, and exhibits different spectral transmittance characteristics under different lighting conditions, to provide for better vision for a wearer. In addition to this active response, the lens also may include a polarizer to further control light and to minimize the glare that interferes with clear vision.

L'invention concerne une lentille de lunetterie dotée de propriétés spectrales sélectives en réponse à des conditions lumineuses variées, y compris des variations dans l'intensité et la distribution spectrale. La lentille répond sélectivement à la lumière ultraviolette et à la lumière visible et présente différentes caractéristiques de transmittance spectrale dans des conditions d'éclairage différentes, en vue de fournir une meilleure vision pour un sujet porteur d'une telle lentille. Outre cette réponse active, la lentille peut comprendre un polariseur destiné à mieux contrôler la lumière et à minimiser l'éblouissement venant perturber une vision incolore.

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