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    • 21. 发明申请
    • Optical lens and method of manufacturing
    • 光学透镜及其制造方法
    • US20080137032A1
    • 2008-06-12
    • US11634713
    • 2006-12-06
    • Brian Lee LawrenceEugene Pauling Boden
    • Brian Lee LawrenceEugene Pauling Boden
    • G02C7/06B29D11/00
    • B29D11/00461B29D11/00355G02C2202/12G02C2202/14
    • The present invention provides a method of modifying a lens, for example an ophthalmic lens. The method comprises providing an optically transparent lens comprising an organic polymer composition containing a photochemically active dye. The optically transparent lens is irradiated with light having a wavelength and an intensity sufficient to transform at least a portion of the photochemically active dye into a photoproduct or photoproducts within the irradiated volume elements of the optically transparent lens to produce refractive index variations in a modified optically transparent lens. In certain embodiments, the modified optically transparent lens is subjected to a stabilization step to provide a light stable modified optically transparent lens. Stabilization is required only when the starting photochemically active dye and/or the photoproduct(s) are unstable under ambient conditions.
    • 本发明提供一种改变透镜的方法,例如眼科镜片。 该方法包括提供包含含有光化学活性染料的有机聚合物组合物的光学透明透镜。 光学透明透镜被光照射,其具有足以将至少一部分光化学活性染料转变成光学透明透镜的照射体积元素内的光产物或光产物的波长和强度,以产生改性光学上的折射率变化 透明透镜 在某些实施方案中,对经修饰的光学透明透镜进行稳定化步骤以提供光稳定的光学透明透镜。 只有当起始光化学活性染料和/或光产物在环境条件下不稳定时才需要稳定化。