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1.发明公开Automated apparatus and method for preparing contact lenses for inspection and packaging 失效自动化设备和方法用于制备眼用透镜进行检查和包装
公开(公告)号：EP0686585A3
公开(公告)日：1998-12-23
申请号：EP95303995
申请日：1995-06-09
发明人： MARTIN WALLACE ANTHONY , EDWARDS RUSSELL JAMES , GUNDERSEN BORGE PETER , KEENE DARREN SCOTT , KINDT-LARSEN TURE , LEPPER JOHN MARK , MADSEN NIELS JORGEN , RAVN THOMAS CHRISTIAN , WANG DANIEL TSU-FANG , HOLLEY WILLIAM EDWARD
IPC分类号： G01M11/00 , B25J15/06 , B29C37/00 , B29D11/02 , B65B5/08 , B65B5/10 , B65B25/00 , B65B35/36 , B65B51/10 , B65B55/22 , B65B57/10 , B65B57/14 , G01M11/02 , G02C7/04 , B65G47/90 , B65B5/06
CPC分类号： G01M11/0214 , B29D11/0024 , B29L2011/0041 , B65B5/08 , B65B5/10 , B65B25/008 , B65B35/36 , B65B55/22 , B65B57/10 , B65B57/14 , B65B2051/105 , G01M11/02 , G01M11/0207 , Y10S134/901
摘要： The present invention provides an automated apparatus for handling and preparing contact lenses for inspection and packaging, comprising a first frame, a robotic transfer head (100), a plurality of contact lens carriers (104), a robotic transport, fluid supply means, a second frame and a controller.
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公开(公告)号：EP0742466A3
公开(公告)日：1998-11-04
申请号：EP96303131
申请日：1996-05-03
发明人： ROFFMAN JEFFREY H , MENEZES EDGAR V
摘要： Concentric ring, single vision lens designs are disclosed which improve the depth-of-focus of the lens relative to current spherical contact lenses or intraocular lenses by placing at least one additional peripheral optical radius on the front or back surface of the lens. A plurality of concentric annular rings are provided in the periphery of the optic zone of the lens. The arrangement of optic powers in the concentric annular rings includes a mixture of the basic spherical refractive power and other annular rings with less plus or greater minus spherical refractive power, arranged to mediate spherical aberrations and improve visual acuity. The concentric annular ring design corrects peripheral, aperture-dependent ocular aberrations in a discrete, zonal fashion.
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公开(公告)号：EP0986772A4
公开(公告)日：2000-09-06
申请号：EP97940853
申请日：1997-09-08
发明人： GUPTA AMITAVA , BLUM RONALD D
CPC分类号： B29D11/00355 , B29C70/78 , B29K2105/20 , G02C7/06 , G02C7/061 , G02C2202/16
摘要： A progressive optic (10) has an optical preform (30) wherein the radius of curvature of the surface is altered by forming discrete spherical portions (20) across the surface. A thin intermediate layer (40), having a different refractive index from the optical preform (30), is then cast over the formed optical preform surface. The optical preform (30) having the thin intermediate layer (40) is then cast with a resin superstrate layer (60) which restores the curve of the optic (10). Each spherical section (50), defined by spherical portions (20) and corresponding portions of outer surface of the superstrate layer (60), alters the spherical power of the adjacent spherical section (50) by about .03D to .05D.
摘要翻译： 渐进镜片（10）具有光学预制件（30），其中通过在表面上形成离散的球形部分（20）来改变表面的曲率半径。 然后将具有不同于光学预型件（30）的折射率的薄中间层（40）浇铸在所形成的光学预型件表面上。 然后，具有薄中间层（40）的光学预型件（30）被铸造有树脂覆盖层（60），该树脂覆盖层恢复光学元件（10）的弯曲。 由球形部分（20）和覆盖层（60）的外表面的相应部分限定的每个球形部分（50）将相邻球形部分（50）的球面度数改变大约0.03D至0.05D。
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公开(公告)号：EP0930859A4
公开(公告)日：1999-12-08
申请号：EP97909984
申请日：1997-10-03
发明人： BAUMAN ROBERT C
CPC分类号： A61F9/0061 , A45C11/005 , Y10S206/804
摘要： A contact lens container comprising an integrally molded one-piece synthetic resin receptacle (10) providing a well (14) having a peripheral wall (16) with a bottom portion (18), and a flange (20) extending about the periphery of the upper end of well. The bottom portion is relatively rigid and has a generally concave inner surface (30) for seating a contact lens thereon. The peripheral wall of the well has an annular, resiliently deflectable inversion portion above the bottom portion. Pressing upwardly against the bottom portion of the well inverts the inversion portion of the well and disposes the bottom portion with the lens thereon above the plane of the flange. The receptacle is moved against the eye of the user to place the lens (26) against the cornea and thereby cause the lens to seat thereon.
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公开(公告)号：EP0741313A3
公开(公告)日：1998-11-11
申请号：EP96303127
申请日：1996-05-03
IPC分类号： G02C7/04
摘要： Non-ballasted, eyelid rotationally stabilized designs are disclosed for use in toric or multifocal toric contact lenses. The back surface of the lens includes a toric or multifocal toric surface and also thin top and bottom zones (slab offs) to achieve eyelid rotational orientation and stabilization. The advantage of this technical approach is in mold manufacturing, wherein the design allows the use of any chosen power spherical stock front mold.
摘要翻译： 公开了用于复曲面或多焦点复曲面隐形眼镜的非镇静，眼睑旋转稳定设计。 镜片的后表面包括复曲面或多焦点复曲面以及薄的顶部和底部区域（平板偏离）以实现眼睑旋转定向和稳定。 这种技术方法的优点是在模具制造中，其中该设计允许使用任何选择的动力球形坯料前模具。
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公开(公告)号：EP0756189A3
公开(公告)日：1998-10-28
申请号：EP96303124
申请日：1996-05-03
发明人： MENEZES EDGAR V , ROFFMAN JEFFREY H
摘要： A multifocus, concentric annular ring lens wherein one of the front and back surfaces of the lens defines a central area comprising a circular disc having a spherical surface corresponding to a basic prescription Rx spherical distance optical power. A plurality of annular rings surround the central area and have alternating spherical near and distance optical powers, and at least one intermediate optical power annular ring. The immediate optical power annular ring is located in the middle or outer region of the lens optic zone, and its optical power is intermediate to the distance and near optical powers, to provide visual acuity at intermediate distances. The intermediate optical power annular ring can be placed anywhere in the middle or outer region of the lens optic zone, and can be the second annular ring from the outer edge of the lens optic zone, or can be the outermost annular ring which defines the outer circumference of the lens optic zone. The lens can be a contact lens to be worn on the cornea of the eye, such as a soft hydrogel contact lens, or can be an intraocular lens.
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7.发明公开
公开(公告)号：EP0741315A3
公开(公告)日：1998-10-28
申请号：EP96303126
申请日：1996-05-03
发明人： ROFFMAN JEFFREY H , LEWIS YULIN X
摘要： Multifocal concentric annular ring lens designs are disclosed with minimal angles between adjacent annular ring segments. The present invention relates in particular to spheric lens designs having different radii of curvature, which enable a numerically controlled (NC) machine to be programmed to machine the adjacent annular segments and the transitions therebetween. A multifocus, concentric annular ring lens has either a front or back surface which defines a plurality of spherical annular rings having different spherical optical powers with different spherical radii. Pursuant to the teachings of the present invention, the radius of curvature of a first spherical annular ring is displaced along the longitudinal optical axis of the lens relative to the radius of curvature of an adjacent second spherical annular ring. The radii of curvature of the first and second spherical annular rings intersect at a junction whereat the angular difference between tangents thereto at the junction defines a minimal angle to provide a lens having improved wearing comfort and physiological acceptability.
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公开(公告)号：EP0741314A3
公开(公告)日：1998-10-28
申请号：EP96303125
申请日：1996-05-03
发明人： ROFFMAN JEFFREY H , MENEZES EDGAR V
摘要： Concentric aspheric multifocal lens designs are disclosed which use a combination of an aspheric front surface, which results in aberration reduction and contrast vision enhancement, along with a concentric multifocal back surface, to produce a lens design which affords clear vision at a distance and also near without a loss in contrast which is generally typical of prior art simultaneous vision, concentric multifocal lens designs. The aspheric surface improves the modulation transfer function (MTF) of the lens eye combination which improves the focus and contrast of both distance and near images. The design form is valid for contact lenses and intraocular lenses.
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公开(公告)号：EP0742462A3
公开(公告)日：1998-11-04
申请号：EP96303123
申请日：1996-05-03
IPC分类号： G02C7/02 , G02C7/04 , G05B19/4097
摘要： Programmable smooth junctions are provided for lenses and molds therefor, particularly for toric lens designs, which enable a numerically controlled (NC) machine to be programmed to machine smooth junctions or transitions between adjacent regions of a lens which have different thicknesses or radii of curvature. First and second mathematical functions f(a) and f(b) are defined which specify the curves of first and second segments of a lens surface. The slope dy/dx is derived of the first and second mathematical functions f(a) and f(b) at the transition between the first and second segments of the lens surface. A mathematical function is defined which describes a desired transition between the first and second segments of the lens. The first and second mathematical functions f(a) and f(b), the derived slopes dy/dx of the first and second mathematical functions f(a) and f(b), and the mathematical function describing the desired transition are then utilized to program a numerically controlled machine to machine the first and second segments of the lens surface and the desired transition between the first and second segments.
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公开(公告)号：EP0766063A3
公开(公告)日：1998-10-28
申请号：EP96307056
申请日：1996-09-27
发明人： ROSS DENWOOD F III
IPC分类号： G01M11/02 , G01B11/255 , G02C7/04 , G01B11/24
CPC分类号： G01B11/255
摘要： An arrangement for measuring desired parameters of a contact lens by optical sectioning which comprises a support fixture on which a contact lens is positioned. The support fixture includes a container in which a pedestal is positioned, and the container is filled with a saline solution. The contact lens is placed on the pedestal completely immersed in the saline solution. A line of light is generated and directed by imaging and shaping optical elements over the edge of the container and through a selected diameter of the contact lens. An imaging camera detects and image of the light scattered at the surfaces of the contact lens at the selected diameter, which is captured by a frame grabber and is digitally stored for subsequent image processing and determination of the desired parameters of the contact lens. The analysis provides at least four basic parameters of the contact lens including the diameter (D), front radius of curvature (FC), back radius of curvature (BC), and center thickness (CT), and can also provide the lenticular curve radius, the peripheral curve radius, the sagittal height, aspherical forms and deviations of the several measured curvatures, and the power of the lens.
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