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    • 6. 发明公开
    • DIFFRACTIVE LENS EXHIBITING ENHANCED OPTICAL PERFORMANCE
    • 自动售货机械有限公司
    • EP2283392A2
    • 2011-02-16
    • EP09734251.3
    • 2009-04-23
    • AMO Regional Holdings
    • WEEBER, Hendrik, A.
    • G02C7/04G02C7/06
    • G02C7/044A61F2/1618A61F2/1654G02B5/189G02C7/042G02C7/06G02C2202/20
    • The present invention provides improved ophthalmic lenses and methods for their design and use. Monofocal and multifocal diffractive ophthalmic lenses having reduced light scatter, improved light energy distribution properties, and/or other improvements in optical performance are provided. These properties are provided, at least in part, by the diffractive profiles of the invention, often having subtlety shaped echelettes with appropriately curving profiles. Smooth diffractive profiles may be used reduce light scatter. Diffractive profiles may be configured to limit the light energy in certain selected orders, thereby improving viewing quality and mitigating unwanted effects such as dysphotopsia. Diffractive profiles of may additionally or alternatively vary the light energy distributed between individual echelettes, providing additional advantages in various viewing situations.
    • 本发明提供改进的眼科镜片及其设计和使用的方法。 提供具有降低的光散射,改善的光能分布特性和/或光学性能的其它改进的单焦点和多焦点衍射眼镜片。 这些性质至少部分地由本发明的衍射轮廓提供,通常具有具有适当弯曲轮廓的细微形状的小阶梯。 可以使用平滑的衍射轮廓来减少光散射。 衍射轮廓可以被配置为以特定的顺序限制光能量,从而改善观看质量并减轻不期望的影响,例如失调。 衍射轮廓可以附加地或替代地改变分布在各个小阶梯之间的光能,在各种观看情况下提供额外的优点。