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公开(公告)号：US20110037942A1
公开(公告)日：2011-02-17
申请号：US12920556
申请日：2009-03-31
IPC分类号： G02C7/04
CPC分类号： G02C7/047
摘要： The carrier region extending beyond the optical portion of a contact lens overlying the cornea of an eye can be modeled in one universal shape that will fit all eyes. That shape is characterized by a curve of radius of curvature versus distance from the High point which is substantially linear with a first slope below a 10 mm diameter of the eye as projected onto a plane perpendicular to the optical axis, is substantially linear above 10 mm with a second slope which is substantially greater than the first slope, and which has an inflection point in the vicinity of approximately 10 mm. Preferably the first linear portion has a radius of curvature of approximately 7.6 mm at a diameter of about 7 mm, with a slope of about 0.13 (the first slope) and a radius of curvature of about 9 mm at a diameter of 12 mm, with a slope of about 0.45 (the second slope).
摘要翻译： 延伸超过覆盖眼睛角膜的隐形眼镜的光学部分的载体区域可以被模制成适合所有眼睛的一种通用形状。 该形状的特征在于，曲率半径相对于距离高点的曲线，该高点与投影到垂直于光轴的平面上的眼睛的直径小于10mm的第一斜率基本上是线性的，基本上线性高于10mm 具有基本上大于第一斜坡的第二斜率，并且具有大约10mm附近的拐点。 优选地，第一直线部分的直径为大约7mm的曲率半径为大约7.6mm，斜率为大约0.13（第一斜率），直径为12mm的曲率半径为约9mm，与 斜坡约0.45（第二坡）。
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公开(公告)号：US07874672B2
公开(公告)日：2011-01-25
申请号：US12201710
申请日：2008-08-29
CPC分类号： G02C7/047 , A61F2/14 , A61F9/00804 , A61F2009/00872 , A61F2009/0088 , A61F2240/002
摘要： “Universal improvement” of vision is achieved by effectively changing the shape of the anterior refracting surface of the cornea to an ideal “turtleback” shape, on which is imposed the necessary curvature adjustment to achieve correction of distance vision. In accordance with one embodiment, the cornea is actually formed to the turtleback shape through corneal surgery, preferably laser ablation surgery. In accordance with a second embodiment, a contact lens with the desired distance corrected ideal turtleback shape on its anterior surface is positioned over the cornea.
摘要翻译： 通过有效地将角膜前屈光面的形状改变为理想的“龟背”形状，实现视觉的“普遍改进”，施加必要的曲率调节以实现远视的校正。 根据一个实施例，角膜实际上通过角膜手术形成为龟背形，优选地是激光消融术。 根据第二实施例，在其前表面上具有所需距离校正的理想龟背形状的隐形眼镜位于角膜上方。
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公开(公告)号：US06340229B1
公开(公告)日：2002-01-22
申请号：US09762504
申请日：2001-04-11
IPC分类号： G02C704
摘要： A contact lens that reduces power distortion and lens contact with the corneal surface resulting from lens flexure. The contact lens (10) is designed to include a central optical portion, a scleral skirt (90), and a transition portion (34) therebetween, overlying the cornea, the posterior surface of which is conformed to the local geometry of the underlying portion of the cornea, including corneal tilt and distortion. In an alternative embodiment representing a less expensive lens, the transition portion is designed to conform to a statistically average cornea. The central optical portion may have a posterior surface which is customized, is toric or spherical, depending on whether a custom or inexpensive soft lens is being designed.
摘要翻译： 一种隐形眼镜，可减少由镜片弯曲引起的角膜表面的功率变形和镜片接触。 隐形眼镜（10）被设计成包括中心光学部分，巩膜裙部（90）和其间的过渡部分（34），覆盖角膜，其后表面符合下面部分的局部几何形状 的角膜，包括角膜倾斜和扭曲。 在代表较便宜的镜片的替代实施例中，过渡部分被设计为符合统计学平均角膜。 中心光学部分可以具有定制的后表面，是复曲面或球形的，这取决于是否设计了定制或便宜的软透镜。
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4.发明授权
公开(公告)号：US4807623A
公开(公告)日：1989-02-28
申请号：US202223
申请日：1988-06-03
申请人： David M. Lieberman
发明人： David M. Lieberman
CPC分类号： A61F9/013
摘要： An ophthalmic device includes a base, a suction ring connected to the base to secure the device to the eye of a patient, and a support piece carrying a pair of securely ganged cutting blades having cutting edges oriented at an angle with respect to one another. The support piece can be raised and lowered with respect to the eye surface, and rotated around the base to simultaneously form two incisions along a path on the eye. The device includes a mechanism for progressively advancing the two cutting blades together in the support piece, while maintaining a constant angular cutting edge relative orientation, to a position in which the cutting points of the two cutting blades are touching, and can thus be used to form an annular wedge-like cut of eye tissue in the treatment of refractive errors. In alternative embodiments, laser or electrosurgical knives may be used instead of cutting blades.
摘要翻译： 眼科装置包括基座，连接到基座的吸入环以将装置固定到患者的眼睛;以及支撑件，其承载一对具有相对于彼此成一定角度定位的切割刃的可靠的组合切割刀片。 支撑件可以相对于眼睛表面升高和降低，并且围绕基部旋转以同时沿着眼睛上的路径形成两个切口。 该装置包括用于将两个切割刀片逐渐推进到支撑件中的同时将两个切割刀片的切割点接触的位置保持恒定的角度切割刃相对定向的机构，并且因此可以用于 在治疗屈光不正时形成眼组织的环状楔形切口。 在替代实施例中，可以使用激光或电外科刀来代替切割刀片。
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公开(公告)号：US08192023B2
公开(公告)日：2012-06-05
申请号：US12968838
申请日：2010-12-15
CPC分类号： G02C7/047 , A61F2/14 , A61F9/00804 , A61F2009/00872 , A61F2009/0088 , A61F2240/002
摘要： “Universal improvement” of vision is achieved by effectively changing the shape of the anterior refracting surface of the cornea to an ideal “turtleback” shape, on which is imposed the necessary curvature adjustment to achieve correction of distance vision. In accordance with one embodiment, the cornea is actually formed to the turtleback shape through corneal surgery, preferably laser ablation surgery. In accordance with a second embodiment, a contact lens with the desired distance corrected ideal turtleback shape on its anterior surface is positioned over the cornea.
摘要翻译： 通过有效地将角膜前屈光面的形状改变为理想的“龟背”形状，实现视觉的“普遍改进”，施加必要的曲率调节以实现远视的校正。 根据一个实施例，角膜实际上通过角膜手术形成为龟背形，优选地是激光消融术。 根据第二实施例，在其前表面上具有所需距离校正的理想龟背形状的隐形眼镜位于角膜上方。
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公开(公告)号：US07338160B2
公开(公告)日：2008-03-04
申请号：US10558509
申请日：2004-05-27
IPC分类号： G02C7/04
CPC分类号： G02C7/04
摘要： Eye measurements taken on a patient being fitted for contact lens will include a refraction test and an additional measurement representing corneal depth variation on the surface of an imaginary cylinder having the same diameter as the lens. This information then used during lens manufacture to produce lens in which the perimeter is not circular and does not lie in a plane, but which drops backwards towards the eye at appropriate points to produce a saddle-shaped perimeter.
摘要翻译： 对于接受镜片安装的患者进行的眼睛测量将包括折射测试和表示具有与透镜相同直径的假想圆柱体的表面上的角膜深度变化的附加测量。 然后在透镜制造期间使用该信息来制造其中周边不是圆形并且不位于平面中的透镜，但是在适当的点向后朝向眼睛向下倾斜以产生鞍形周长。
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公开(公告)号：US06669342B2
公开(公告)日：2003-12-30
申请号：US10154412
申请日：2002-05-22
IPC分类号： A61B310
CPC分类号： A61F9/009 , A61F9/00804 , A61F9/00819 , A61F9/013 , A61F2009/00872 , A61F2009/00882
摘要： Methods, and apparatus are disclosed for performing corneal ablation procedures of the eye (12) in a manner which does not interfere with the natural shape of the cornea or its orientation relative to the remainder of the eye, but which changes its surface curvature appropriately to achieve the required correction of vision. Three preferred embodiments are described, which model the cornea to different degrees of accuracy. Once the model of the cornea is obtained (610, 620, 630), surface curvature is modified (650) to achieve the degree of correction in refraction that is necessary, as determined by an eye test of the patient. The modified model of the cornea is then utilized to control the removal of material from the surface of the cornea in a corneal ablation operation.
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公开(公告)号：US07736003B2
公开(公告)日：2010-06-15
申请号：US12305279
申请日：2007-09-28
CPC分类号： A61B3/0025
摘要： Certain disorders of the cornea exhibit unique characteristics in a surface model of the cornea. Through various manipulations of the characteristics of the surface model of a patient's cornea, certain “markers” that are associated with disorders of the eye may be revealed.
摘要翻译： 角膜的某些病症在角膜的表面模型中表现出独特的特征。 通过对患者角膜的表面模型的特征的各种操作，可以揭示与眼睛疾病相关的某些“标记”。
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公开(公告)号：US5800532A
公开(公告)日：1998-09-01
申请号：US804254
申请日：1997-02-21
申请人： David M. Lieberman
发明人： David M. Lieberman
IPC分类号： A61F2/16
CPC分类号： A61F2/1618 , A61F2250/0084
摘要： An intraocular lens is disclosed which includes a central portion having a first refractive power region and a peripheral portion having a second refractive power region. The second refractive power region is substantially concentrated only in one predetermined location; or is asymmetrically disposed on the inferior nasal quadrant of the intraocular lens. In a preferred configuration, the second refractive power region has more refractive power than the first refractive power region. Preferred configurations may additionally or alternatively include a toric surface and/or a prism.
摘要翻译： 公开了一种眼内透镜，其包括具有第一屈光力区域的中心部分和具有第二屈光力区域的周边部分。 第二屈光力区域仅基本集中在一个预定位置; 或者不对称地设置在眼内透镜的下鼻甲上。 在优选结构中，第二屈光力区具有比第一折射光焦度区更多的折光力。 优选的构造可以另外地或替代地包括复曲面和/或棱镜。
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公开(公告)号：US5502518A
公开(公告)日：1996-03-26
申请号：US119351
申请日：1993-09-09
申请人： David M. Lieberman
发明人： David M. Lieberman
摘要： A contact lens for use on a patient's eye with an asymmetric aspheric cornea, the lens having an anterior surface, a posterior surface and a base, the posterior surface having a peripheral portion which is asymmetric and aspherical and at least coextensive with the base of the lens. The peripheral portion asymmetrically and aspherically matching a corresponding peripheral portion of the cornea which lies under the peripheral portion of the lens when the lens is worn in the patient's eye. The contact lens is not substantially greater in diameter than said cornea. The process for manufacturing the lens uses three-dimensional topographic data (including elevation data) from a multiplicity of points on the cornea. The data is used to shape at least the peripheral portion of the posterior surface of the lens to cause it to conform to and/or match the corresponding surface of the cornea.
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