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    • 1. 发明授权
    • Multifocal lens for eyeglass and eyeglass lens
    • 眼镜和眼镜镜片的多焦点镜头
    • US5926250A
    • 1999-07-20
    • US894505
    • 1997-07-24
    • Hiroyuki MukaiyamaKazutoshi KatoAkira KomatsuTadashi Kaga
    • Hiroyuki MukaiyamaKazutoshi KatoAkira KomatsuTadashi Kaga
    • G02C7/02G02C7/06
    • G02C7/061G02C7/06G02C7/068
    • In a multifocal lens for eyeglass provided with visual field areas having different refractive powers, being a distance-vision area and a near-vision area, a multifocal lens for eyeglass (10) is provided, in which the difference of the average surface power D11 of the distance-vision area (11) of the surface (2) on the side of the object and the average surface power D12 of the near-vision area (12) is made mathematically less than the addition power Add. Furthermore, a specific addition power Add is provided by adjusting the average surface power D21 of the distance-vision area of the surface (3) on the side of the eye and the average surface power D22 of the near-vision area. It becomes possible to adjust the average surface powers D11 and D12 of the surface (2) on the side of the object such that the difference of magnification of the distance-vision area and the near-vision area becomes little. Furthermore, it is also possible to make the difference of the average surface powers D11 and D12 of the surface (2) on the side of the object little. Consequently, a multifocal lens can be provided, whereby a comfortable visual field can be obtained, in which there is little jumping and warping of images due to the difference of magnification, and furthermore, the clear-vision area having improved astigmatic aberration is wide, and there is little jumping of images, and the like.
    • PCT No.PCT / JP96 / 03418 Sec。 371日期:1997年8月8日 102(e)日期1997年8月8日PCT 1996年11月21日PCT PCT。 WO97 / 19383 PCT公开号 日期1997年5月29日在具有不同屈光力的视野区域的眼镜用多焦点镜片中,作为远视区域和近视区域,设置有用于眼镜(10)的多焦点镜片, 物体侧的表面(2)的距离视野区域(11)的平均表面光焦度D11和近视区域(12)的平均表面光焦度D12在数学上小于加法功率Add。 此外,通过调整眼睛侧的表面(3)的距离视觉区域的平均表面光焦度D21和近视区域的平均表面光焦度D22,提供特定的附加功率Add。 可以调整物体侧的表面(2)的平均表面光焦度D11和D12,使得距离视野区域和近视野区域的倍率差变小。 此外,还可以使物体侧的表面(2)的平均表面光焦度D11和D12的差很小。 因此,可以提供多焦点透镜,由此可以获得舒适的视野,其中由于放大率的差异,图像的跳跃和翘曲很少,此外,具有改善的散光像差的清晰视野区域很宽, 而且还有很少的图像跳转等等。
    • 2. 发明授权
    • Apparatus and method for manufacturing a progressive multi-focal lens
    • 用于制造渐进式多焦点透镜的装置和方法
    • US06199983B1
    • 2001-03-13
    • US09091191
    • 1998-06-10
    • Kazutoshi KatoAkira KomatsuHiroyuki MukaiyamaTadashi Kaga
    • Kazutoshi KatoAkira KomatsuHiroyuki MukaiyamaTadashi Kaga
    • G02C706
    • G02C7/061G02C7/027G02C7/028
    • A manufacturing method of a progressive multi-focal lens which has a progressive surface area comprising a distance portion and a near portion, which have different refractive powers, and a progressive portion positioned between them in which the refractive power changes progressively. The progressive surface which reflects customized information for each individual user including at least one of the information concerning each individual user's eyes or lifestyle of the user is designed. A lens design process provides processing data for the progressive multi-focal lenses with the custom-made progressive surfaces. By so doing, it is possible to provide the most appropriate spectacle lenses for the users and, at the same time, it is possible to eliminate the process of storing lenses in a semi-finished state after being processed so that it is possible to provide lenses which are suited to users at a lower cost.
    • 渐进式多焦点透镜的制造方法,其具有包括具有不同屈光力的距离部分和近部分的渐进表面区域和位于它们之间的渐进部分,其中折射力逐渐变化。 设计反映针对每个个体用户的定制信息的渐进表面,包括关于每个用户的用户的眼睛或生活方式的信息中的至少一个信息。 透镜设计过程提供具有定制渐进表面的渐进式多焦点镜头的处理数据。 通过这样做,可以为用户提供最合适的眼镜镜片,并且同时可以在处理之后消除在半成品状态下存储镜片的过程,使得可以提供 以较低成本适合用户的镜头。
    • 3. 发明授权
    • Progressive power lens and eye glass lens
    • 渐进式功率镜头和眼镜镜片
    • US5745211A
    • 1998-04-28
    • US578237
    • 1995-12-26
    • Hiroyuki MukaiyamaTadashi Kaga
    • Hiroyuki MukaiyamaTadashi Kaga
    • G02C7/06G02C7/02
    • G02C7/065G02C7/061
    • A progressive power lens provides a large clear vision area from a far-distance use section to a progressive section, wherein an astigmatism imbalance during vision through both eyes is eliminated, and eye movement between far and near distance use takes place smoothly. Astigmatism is distributed asymmetrically in the progressive region of the progressive power lens with respect to a meridian in such manner that a larger astigmatism occurs in a nose-side region than in an ear-side region. By so doing, distribution of astigmatism in the nose-side progressive region is eased to match that of the ear-side progressive region. Moreover, by making the increasing ratio .beta. of the astigmatism in the far-near direction milder than the increasing ratio .alpha. of the astigmatism in the left-right direction, a large clear vision area is obtained and the astigmatism imbalance during vision with both eyes is eliminated. Moreover, eye movement between the far-distance use and near-distance use takes place smoothly.
    • 渐进屈光力镜片提供从远距离使用部分到渐进部分的大的清晰视觉区域,其中消除了通过双眼的视觉期间的散光不平衡,并且平滑地进行远距离和近距离使用之间的眼睛运动。 相对于子午线,散光不均匀地分布在渐进屈光力透镜的渐进区域中,使得在鼻侧区域比在耳侧区域发生更大的散光。 通过这样做,鼻侧进展区域的散光分布被缓解以匹配耳朵进行区域的散光。 此外,通过使近距离方向的像散比β增加比左右方向上散光的增加比α更大,可以获得大的清晰视野范围,并且双目视觉中的散光不平衡是 消除了 此外,远距离使用和近距离使用之间的眼动也顺利进行。
    • 4. 发明授权
    • Progressive multifocal lens and manufacturing method therefor
    • 渐进多焦点镜片及其制造方法
    • US5886766A
    • 1999-03-23
    • US656291
    • 1996-06-06
    • Tadashi KagaKazutoshi Kato
    • Tadashi KagaKazutoshi Kato
    • G02C7/02G02C7/06
    • G02C7/061G02C7/06
    • In a process of determining the surface shape of each of progressive multifocal lenses for use as lenses in eyeglasses, radii of curvature at main points are calculated, and then the surface is divided into a plurality of lattice sections, and then a curved-surface equation in the form of a bicubic expression is used for each section to determine the surface shape of the lens. A coefficient of each of the bicubic expressions is determined under a condition that continuation is established to curved-surface equations of sections adjacent at a boundary line between the sections to the derivatives of second order. Therefore, the surface shape of the lens obtained by the curved-surface equation for each section can be formed into a continuous and smooth surface. Since the curved surface can be determined for each section, a partial correction can easily be performed, if necessary. As a result, a progressive multifocal lens can be provided which exhibits smooth astigmatism curves and a large clear field of vision to meet a variety of specifications. Thus, lenses for eyeglasses each having a clear field of vision can be provided.
    • 在确定用作眼镜中的透镜的每个渐变多焦点透镜的表面形状的过程中,计算主要点处的曲率半径,然后将该表面分成多个格子部分,然后将曲面方程式 以双三次表达的形式用于每个部分以确定透镜的表面形状。 在对二阶导数之间的边界线相邻的部分的曲面方程式建立连续性的条件下确定每个双三次表达式的系数。 因此,通过每个部分的曲面方程获得的透镜的表面形状可以形成为连续且平滑的表面。 由于可以为每个部分确定弯曲表面,所以如果需要,可以容易地执行部分校正。 结果,可以提供渐进多焦点透镜,其显示光滑的散光曲线和大的清晰视野以满足各种规格。 因此,可以提供各自具有清晰视野的眼镜的镜片。
    • 5. 发明授权
    • Method for providing design data and system for providing design data
    • 提供设计数据和提供设计数据的系统的方法
    • US07159982B2
    • 2007-01-09
    • US10905738
    • 2005-01-19
    • Toshihide ShinoharaKazutoshi KatoTadashi KagaSatoshi KubotaMasaaki Takeuchi
    • Toshihide ShinoharaKazutoshi KatoTadashi KagaSatoshi KubotaMasaaki Takeuchi
    • G02C7/06G06F19/00G06Q30/00
    • G02C7/061G02C13/003
    • A method for providing design data and a system for providing design data that enable a lens processor to manufacture a desired inner-surface progressive addition lens corresponding to prescription data. A design data providing system is a system such that a design data creator provides design data of an inner-surface progressive addition lens to a lens processor in the case where the lens processor has agreed upon a contract to the effect that the lens processor receives provision of the design data of the inner-surface progressive addition lens from the design data creator on the condition that the lens processor pays a consideration. The design data providing system has a server device as a host computer device, a terminal computer device, and a network for connecting the server device to the terminal computer device.
    • 一种用于提供设计数据的方法和用于提供设计数据的系统,所述设计数据使得透镜处理器能够制造与处方数据相对应的期望的内表面渐进附加透镜。 设计数据提供系统是一种系统,使得设计数据创建者在透镜处理器已经同意合同时将透镜处理器的内表面渐进折射透镜的设计数据提供给透镜处理器,使得透镜处理器接收到提供 在透镜处理器考虑的条件下,来自设计数据创建者的内表面渐进折射透镜的设计数据。 设计数据提供系统具有作为主机设备的服务器设备,终端计算机设备和用于将服务器设备连接到终端计算机设备的网络。
    • 6. 发明授权
    • Spectacle lens
    • 眼镜镜片
    • US07070274B2
    • 2006-07-04
    • US10907313
    • 2005-03-29
    • Kaoru KamishitaKazutoshi KatoTadashi Kaga
    • Kaoru KamishitaKazutoshi KatoTadashi Kaga
    • G02C7/02
    • G02C7/02
    • To provide a spectacle lens that is designed optically to suit a spectacle frame with a large camber angle such as a wraparound type spectacle frame. A spectacle lens that is mounted in a spectacle frame with a camber angle of 200° or more, in which cylindrical power for offsetting astigmatic aberration, which is caused by the camber angle at a design reference point, is added to a refractive surface on an object side or a refractive surface on an eye side, prismatic power for offsetting prismatic effect, which is caused by the camber angle at the design reference point, is added to the refractive surface on the object side or the refractive surface on the eye side, and aspherical surfaces different from each other on a nose side and an ear side are formed on the refractive surface on the object side or the refractive surface on the eye side.
    • 提供光学设计以适合具有大外倾角的眼镜架的眼镜镜片,例如环绕型眼镜架。 安装在具有200°或更大的外倾角的眼镜框中的眼镜镜片,其中在设计参考点处由外倾角引起的用于抵消散光像差的圆柱形功率被添加到 物体侧或眼侧的折射面,将由设计基准点的外倾角引起的用于抵消棱镜效应的棱镜功率添加到物体侧的折射面或眼侧的折射面上, 并且在物体侧的折射面或眼侧的折射面上形成在鼻侧和耳侧彼此不同的非球面。