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    • 2. 发明申请
    • MEANS FOR CONTROLLING THE PROGRESSION OF MYOPIA
    • 控制MYOPIA进展的手段
    • WO2007146673A2
    • 2007-12-21
    • PCT/US2007/070419
    • 2007-06-05
    • VISION CRC LIMITEDHOLDEN, Brien, AnthonyHO, ArthurSANKARIDURG, Padmaja, RajagopalALLER, Thomas, ArthurSMITH, Earl, Leo, Iii
    • HOLDEN, Brien, AnthonyHO, ArthurSANKARIDURG, Padmaja, RajagopalALLER, Thomas, ArthurSMITH, Earl, Leo, Iii
    • G02C7/044G02C7/04G02C7/042G02C7/061G02C2202/24
    • A contact lens (10) for use in controlling or retarding the progression of myopia in an eye has a central optical zone (20) approximating the normal diameter of the pupil of the eye (22) that gives clear central vision at distance for the wearer. An annular peripheral optical zone 24 that is substantially outside the diameter of the pupil is formed around the central optical zone (20) with greater refractive power than that of the central zone (22) so that oblique rays entering the eye through the peripheral optical zone (24) will be brought to focus at a focal plane that is substantially on or anterior to the peripheral region of the retina. Preferably, the rear surface (16) of the lens is shaped to conform to the cornea of the eye and the front surface (18) of the lens (10) is shaped to provide - in conjunction with the rear surface (16) - the desired optical properties of the central and peripheral optical zones. The front surface (18) is also preferably contoured to form a smooth transition (30) between the junction of the central optical zone (20) and the peripheral optical zone (24), with or without designed optical properties such as progressive power.
    • 用于控制或延缓眼睛近视进展的隐形眼镜(10)具有近似于眼睛(22)的瞳孔的正常直径的中心光学区域(20),其为佩戴者提供远距离的清晰的中心视觉 。 基本上位于瞳孔直径外侧的环形周边光学区域24围绕中心光学区域(20)以比中心区域(22)更大的折光力形成,使得通过外围光学区域进入眼睛的斜射线 (24)将被聚焦在基本上在视网膜周边区域的前方或前方的焦平面上。 优选地,透镜的后表面(16)成形为符合眼睛的角膜,并且透镜(10)的前表面(18)成形为与后表面(16)一起提供 - 中心和周边光学区域的所需光学特性。 前表面(18)还优选成形为在中心光学区(20)和周边光学区(24)的接合处之间形成平滑过渡(30),具有或不具有设计的光学特性(例如渐进屈光力)。
    • 4. 发明申请
    • OPHTHALMIC LENS ELEMENT
    • 眼镜镜片元件
    • WO2009052570A1
    • 2009-04-30
    • PCT/AU2008/001568
    • 2008-10-23
    • VISION CRC LIMITEDVARNAS, Saulius, Raymond
    • VARNAS, Saulius, Raymond
    • G02C7/04
    • G02C7/02G02C7/04G02C7/042G02C7/044G02C7/06G02C2202/24
    • An ophthalmic lens element is disclosed. The lens element includes a front surface and a rear surface, at least one which includes a horizontal meridian and a vertical meridian. A central region of the lens element includes a foveal vision zone providing a first power for providing clear foveal vision for a wearer. A peripheral region of positive power relative to the first power is also included. The peripheral region includes dual progressive zones located bilaterally of the vertical meridian and extending radially outwardly from the central region. The lens element provides a distribution of surface astigmatism which provides, on the horizontal meridian, a relatively low surface astigmatism in the central region and the progressive zones.
    • 公开了一种眼科镜片元件。 透镜元件包括前表面和后表面,至少一个包括水平子午线和垂直子午线。 透镜元件的中心区域包括中心凹视野区域,其提供用于为佩戴者提供清晰的中心凹视野的第一功率。 还包括相对于第一功率的正功率的周边区域。 周边区域包括位于垂直子午线的两侧的双渐进区域,并且从中心区域径向向外延伸。 透镜元件提供表面像散的分布,其在水平子午线上提供在中心区域和渐进区域中相对较低的表面像散。
    • 5. 发明申请
    • CHARACTERIZATION OF OPTICAL SYSTEMS
    • 光系统的表征
    • WO2008098293A1
    • 2008-08-21
    • PCT/AU2008/000183
    • 2008-02-14
    • VISION CRC LIMITEDEHRMANN, KlausHO, Arthur
    • EHRMANN, KlausHO, Arthur
    • A61B3/103G01M11/02G02B27/00
    • G01M11/0235A61B3/103A61B3/107G01M11/0257
    • An instrument and method for characterizing the optical properties of an optical system, such as a lens, another optical device or the human eye, over an optical surface of the optical system. In one example [Figure 1], an incident beam (16) is scanned over the surface of a lens (12) to generate an emergent beam (20) that is divided by a beam-splitter (22) into two portions (20a and 20b) that are directed to respective two-dimensional detector arrays (24 and 26) located at different optical distances from the lens (12). The detector arrays (24 and 26) output the lateral coordinates of the points of incidence of the respective emergent beam portions (20a and 20b) so that the angle of emergent beam (20) with respect to the optical axis (14) or incident beam (16) can be accurately determined. Determining the variation in the angle of the emergent beam over the surface of the lens allows many important optical characteristics of the lens to be characterized and mapped onto to the surface of the lens. Many novel variants of the instrument and methods are disclosed.
    • 用于在光学系统的光学表面上表征诸如透镜,另一光学装置或人眼的光学系统的光学性质的仪器和方法。 在一个示例[图1]中,入射光束(16)被扫描在透镜(12)的表面上,以产生由分束器(22)分成两部分(20a和22)的出射光束(20) 20b),其被定向到与透镜(12)不同光学距离的相应的二维检测器阵列(24和26)。 检测器阵列(24和26)输出各个出射光束部分(20a和20b)的入射点的横向坐标,使得出射光束(20)相对于光轴(14)或入射光束 (16)可以准确地确定。 确定出射光束在透镜表面上的角度的变化允许透镜的许多重要的光学特性被表征并映射到透镜的表面上。 公开了仪器和方法的许多新颖变体。