G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/22 (2006.01)
Patent
CA 2536272
The present invention is directed to a transparent medium incorporating the oxidative polymerization product of 3 -hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the ocular crystalline lens with age. Because this coloration in the ocular lens is believed to offer photoprotection to 6 the retina, it may represent an ideal sun lens filter with an optical transmission spectrum that is compatible with the psychophysical and neurophysiological characteristics of the vision system.
La présente invention concerne un support transparent contenant le produit d'oxydo-polymérisation de la 3-hydroxykynurénine, une version de synthèse du pigment jaune-brun qui apparaît sur le cristallin avec l'âge. Il semblerait que cette coloration du cristallin offre une photoprotection à la rétine. Ainsi, cette coloration pourrait constituer un filtre de lentille solaire idéal avec un spectre de transmission optique compatible avec les caractéristiques psychophysiques et neurophysiologiques du système visuel.
Photoprotective Technologies Inc.
Smart & Biggar
LandOfFree
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