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    • 10. 发明授权
    • Intermediate vision with phakic multifocal optics utilizing residual accommodations
    • 中间视觉与复式多焦点光学利用残留住宿
    • US08100527B2
    • 2012-01-24
    • US12522949
    • 2008-01-11
    • Xin HongMutlu KarakelleXiaoxiao Zhang
    • Xin HongMutlu KarakelleXiaoxiao Zhang
    • G02C7/02A61F2/16
    • A61F2/1602A61F2/1618A61F2/1654
    • In one aspect, the present invention provides a method of correcting vision, which comprises determining a residual accommodation exhibited by a natural, crystalline lens of an eye, and selecting a multifocal intraocular lens (IOL), which exhibits a far-focus optical power (e.g., in a range of about −15 to about +50 Diopters (D)) and an add power (e.g., in a range of about 1 D to about 4 D), for implantation in the eye while retaining the natural lens. The add power of the IOL is selected as a function of the residual accommodation such that a combination of the IOL and the natural lens provides a visual contrast greater than about 10% at a spatial frequency of about 20 cycles/degree for viewing objects at a distance greater than about 30 cm from the eye.
    • 一方面,本发明提供了一种矫正视力的方法,其包括确定由天然眼晶体显示的残留调节物,以及选择呈现远焦光功率的多焦点眼内透镜(IOL) 例如,在约-15至约+50屈光度(D)的范围内)和附加功率(例如,在约1至约4D的范围内),用于植入眼睛同时保持天然晶状体。 选择IOL的附加功率作为残余调节的函数,使得IOL和自然透镜的组合在大约20个循环/度的空间频率处提供大于约10%的视觉对比度,以便在 距离距离眼睛约30厘米。