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    • 3. 发明授权
    • Pupil-tuned multifocal ophthalmic lens
    • 瞳孔调整多焦点眼科镜片
    • US5448312A
    • 1995-09-05
    • US988088
    • 1992-12-09
    • Jeffrey H. RoffmanTimothy R. PolingMichel Guillon
    • Jeffrey H. RoffmanTimothy R. PolingMichel Guillon
    • G02B3/10G02C7/04G02C7/06
    • G02C7/044G02C7/042G02C7/06
    • An ophthalmic lens provides a cumulative ratio of distance to near focal length that is predominantly distance correction under high illumination, nearly evenly divided under moderate illumination, and favoring again distance vision correction under low level illumination. The lens is specifically adjusted to match the patient's pupil size as a function of illumination level, in the preferred embodiment by applying pupil size parameters as a function of age. This lens has the properties of matching both the distribution of near and distance focal vision correction to the type of human activity typically undertaken in various illumination conditions, as well as matching particular lens dimensions to suit the size of the pupil as a function of illumination intensity.
    • 眼科镜片提供距离近近焦距的累积比例,主要是在高照度下的距离校正,几乎在中度照度下均匀分布,并有利于在低水平照明下再次进行距离视力矫正。 在优选实施例中,通过应用作为年龄的函数的瞳孔尺寸参数,镜片被特别地调节以匹配患者的瞳孔尺寸作为照明水平的函数。 该透镜具有将近距离和距离焦点视觉校正的分布与通常在各种照明条件下进行的人类活动的类型匹配的特性,以及匹配特定透镜尺寸以适合作为照明强度的函数的瞳孔尺寸 。
    • 9. 发明授权
    • Contact lenses and method of fitting contact lenses
    • 隐形眼镜和隐形眼镜配合方法
    • US5835192A
    • 1998-11-10
    • US576289
    • 1995-12-21
    • Jeffrey H. RoffmanEdgar V. MenezesYulin X. LewisTimothy R. PolingMichel Guillon
    • Jeffrey H. RoffmanEdgar V. MenezesYulin X. LewisTimothy R. PolingMichel Guillon
    • A61F9/00G02C7/04A61B3/00
    • G02C7/044G02C7/027G02C7/042G02C2202/08
    • A design family of contact lenses includes a central area utilized for distance vision, surrounded by multiple alternating annuli of near and distance optical powers, surrounded by a peripheral distance zone. The design can also be used in intraocular lenses (IOL). The distance optical power is constant across the design family of lenses, but the near optical power increases as a subject's presbyopia increases. The design family of contact lenses can be fitted to a patient in a standard fashion by fitting both eyes to the best distance visual acuity (VA), and obtaining near acuity from the near annuli. A modified monovision method fits the patient's dominant eye with a contact lens as described having the full prescription distance power and fitting the nondominant eye with a contact lens as described having a distance optical power between the full prescription distance optical power and the near optical power. Specifically, the nondominant eye is fitted with a contact lens as described but having a distance power between 50% and 100% of the range between the prescription near and distance optical powers, biased towards the distance optical power.
    • 隐形眼镜的设计系列包括用于远距离视觉的中心区域,被围绕由周边距离区域包围的近距离和远距离光功率的多个交替的环形环绕。 该设计也可用于眼内透镜(IOL)。 透镜设计系列的距离光功率是恒定的,但随着受试者的老视眼增加,近光功率增加。 隐形眼镜的设计系列可以通过将两只眼睛适配到最佳距离视力(VA),并从近环获得近视力,以标准方式安装到患者身上。 改进的单视方法适合患者的主眼,所述隐形眼镜具有如所述具有完全处方距离力的隐形眼镜,并且使非隐性眼睛与如在所述处方距离光功率和近光功率之间具有距离光焦度所述的隐形眼镜相适配。 具体而言,非优势眼配备有如所述的隐形眼镜,但距离光学功率偏置在处方近距离和距离光焦度之间的距离的50%至100%之间。
    • 10. 发明授权
    • Method of designing and fitting multifocal lenses taking into account material properties of the lenses
    • 考虑到镜片的材料特性来设计和配合多焦点镜片的方法
    • US06196685B1
    • 2001-03-06
    • US09286094
    • 1999-04-02
    • Jeffrey H. RoffmanTimothy R. PolingDenwood F. Ross, IIIJames A. Ebel
    • Jeffrey H. RoffmanTimothy R. PolingDenwood F. Ross, IIIJames A. Ebel
    • G02C704
    • G02C7/04G02C7/041
    • A method for fitting and designing an ophthalmic lens for a presbyope that yields improved visual acuity in general, and takes into account individual fitting characteristics. More specifically, a method for fitting and designing a contact or intraocular lens which takes into account material properties of the lens by observing the “print through” associated with the lens as an indicator of the topography of the lens. The term “print through” is used to refer to any change in lens topography on the front surface of the lens as a result of changes in topography on the back surface of the lens. If a significant amount of “print through” is observed, this generally indicates that the multifocal function of the lens is properly being performed. In such a situation, the clinician can then adjust the add power to the desired level. If there is not a significant amount of “print through”, this generally indicates that the multifocal function of the lens is not properly being performed. In this latter situation, by observing the reduced “print through” associated with such a lens, the clinician can instead bias one lens of a lens pair for distance power and the other lens of a lens pair for near power. Alternatively, each lens of the lens pair can be biased for some combination of distance power and near power.
    • 一种用于配戴和设计用于长角镜的眼镜片的方法,其通常产生改善的视敏度,并且考虑到各自的装配特性。 更具体地,涉及一种通过观察与透镜相关联的“打印通过”作为透镜的形貌的指示符来考虑到透镜的材料性质来配合和设计接触或眼内透镜的方法。 术语“打印通过”用于指透镜表面上的形状变化的结果,透镜前表面上的透镜形状的任何变化。 如果观察到大量的“打印通”,则这通常表示正确地执行透镜的多焦点功能。 在这种情况下,临床医生可以将添加功率调整到所需的水平。 如果没有大量的“打印通过”,则这通常表示镜头的多焦点功能没有被正确地执行。 在后一种情况下,通过观察与这种透镜相关联的减少的“打印通过”,临床医生可以改变偏置透镜对的一个透镜以用于距离功率,并且透镜对的另一个透镜偏压近距离。 或者,透镜对的每个透镜可以偏置距离功率和近功率的一些组合。