Intraocular lenses having a visible...

Details Intraocular lenses having a visible... Intraocular lenses having a visible...

A - Human Necessities

61

F

A61F 2/16 (2006.01)

Patent

CA 2552122

Intraocular lenses (300) are provided having a visible-light selective transmissive zone (304, 306) defined therein. The visible light-selective transmissive zone can be located near the lens center and designed to reduce the transmission of any wave-length of visible light specifically light in the blue light region having wavelength between approximately 400 .lambda. to 550 .lambda..

L'invention concerne des lentilles intra-oculaires à zone de transmission sélective de la lumière visible. Cette zone peut se trouver près du centre de la lentille pour réduire la transmission d'une longueur d'onde quelconque de lumière visible, spécifiquement la lumière dans la zone de la lumière bleue, entre environ 400 .lambda. et 550 .lambda.. Selon une variante, les lentilles considérées sont élaborées à partir d'acrylates et le composé absorbant la lumière est un colorant jaune.

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