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    • 5. 发明公开
    • LENSES, DEVICES, METHODS AND SYSTEMS FOR REFRACTIVE ERROR
    • 林森,VORRICHTUNGEN,VERFAHREN UND SYSTEMEFÜRBRECHUNGSFEHLER
    • EP2833848A4
    • 2015-12-02
    • EP13771926
    • 2013-04-05
    • HOLDEN BRIEN VISION INST
    • BAKARAJU RAVI CHANDRAEHRMANN KLAUSHO ARTHURHOLDEN BRIEN ANTHONY
    • A61F9/00A61B3/00A61F2/14A61F2/16G02C7/02G02C7/04G02C7/06G02C7/08
    • G02C7/022A61B3/0025A61B3/1015A61F2/14A61F2/145A61F2/1451A61F2/1613A61F2/1618A61F2/1637A61F2002/1681G02C7/02G02C7/027G02C7/04G02C7/041G02C7/06G02C7/061G02C7/083G02C2202/22G02C2202/24
    • Certain embodiments are directed to lenses, devices and/or methods. For example, a lens for an eye having an optical axis and an aberration profile along its optical axis, the aberration profile having a focal distance and including higher order aberrations having at least one of a primary spherical aberration component C(4,0) and a secondary spherical aberration component C(6,0). The aberration profile may provide, for a model eye with no aberrations and an on-axis length equal to the focal distance: (i) a peak, first retinal image quality (RIQ) within a through focus range that remains at or above a second RIQ over the through focus range that includes said focal distance, where the first RIQ is at least 0.35, the second RIQ is at least 0.1 and the through focus range is at least 1.8 Diopters; (ii) a RIQ of 0.3 with a through focus slope that improves in a direction of eye growth; and (iii) a RIQ of 0.3 with a through focus slope that degrades in a direction of eye growth. The RIQ may be Visual Strehl Ratio or similar measured along the optical axis for at least one pupil diameter in the range 3 mm to 6 mm, over a spatial frequency range of 0 to 30 cycles/degree inclusive and at a wavelength selected from within the range 540 nm to 590 nm inclusive.
    • 某些实施例涉及透镜,装置和/或方法。 例如,具有光轴的透镜和沿其光轴的像差轮廓,像差轮廓具有焦距并且包括具有初级球面像差分量C(4.0)和 二次球面像差分量C(6,0)。 对于没有像差的模型眼睛和等于焦距的轴上长度,像差轮廓可以提供:(i)保持在等于或高于秒的通过对焦范围内的峰值,第一视网膜图像质量(RIQ) 包括所述焦距的通过对焦范围的RIQ,其中第一RIQ至少为0.35,第二RIQ为至少0.1,并且通过对焦范围为至少1.8屈光度; (ii)具有改善眼睛生长方向的通过焦点斜率的0.3的RIQ; 和(iii)具有通过聚焦斜率的0.3的RIQ,其在眼睛生长的方向上降解。 RIQ可以是在0至30个循环/度范围内的空间频率范围内并且在从内部选择的波长处沿着光轴测量至少一个瞳孔直径在3mm至6mm范围内的视觉Strehl比率或类似物 范围540纳米到590纳米。