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公开(公告)号：US06238385B1
公开(公告)日：2001-05-29
申请号：US09088656
申请日：1998-06-02
IPC分类号： A61F901
CPC分类号： A61F9/008 , A61F9/00821 , A61F9/009 , A61F2009/00863
摘要： A laser treatment apparatus having a guide beam forming mechanism for guiding a treatment laser beam to a diseased part, including a laser beam irradiation optical system which irradiates the diseased part with the treatment laser beam, a target for obtaining a position of the central fovea of a patient's eye which is projected to the fundus, and a fixation mark for fixing the patient's eye so that the central fovea is located at a predetermined position with respect to the target. With the laser treatment apparatus, the central fovea of a patient's eye is easily judged, and, even for a patient's eye having reduced central visual acuity, the fixation is stably conducted.
摘要翻译： 一种激光治疗装置，其具有用于将治疗激光束引导到病变部的引导光束形成机构，包括用处理激光束照射患病部位的激光束照射光学系统，获得中央凹的位置的靶 投射到眼底的患者眼睛和用于固定患者眼睛的固定标记，使得中央凹中心凹相对于目标位于预定位置。 利用激光治疗装置，容易判断患者眼睛的中央凹，并且即使对于具有降低的中心视力的患者眼睛，也能够稳定地进行固定。
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公开(公告)号：US20060084956A1
公开(公告)日：2006-04-20
申请号：US11200008
申请日：2005-08-10
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
CPC分类号： A61F9/008 , A61F2009/00851 , A61F2009/00872
摘要： A corneal surgery apparatus capable of accurately measuring a three-dimensional corneal shape in a state of being subjected to corneal ablation. The apparatus has a unit including a laser source emitting a laser beam to bring about corneal ablation and a first optical system irradiating a cornea with the beam, a unit including a light source emitting measurement light with a wide wavelength band, a beam splitter dividing the light, a second optical system irradiating the cornea with one divided light, a movable reference mirror on an optical path of the other divided light and a photo-detector at a position photo-receiving interference light of the measurement light reflected by the cornea and the mirror, which obtains a three-dimensional corneal shape based on an interference light image, a unit obtaining corneal ablation data based on obtained corneal shape data, and a unit controlling the ablation unit based on the ablation data.
摘要翻译： 角膜手术装置，其能够在经受角膜消融的状态下精确地测量三维角膜形状。 该装置具有包括发射激光束以产生角膜消融的激光源的单元以及用该光束照射角膜的第一光学系统，包括发射具有宽波段的测量光的光源的单元， 光，利用一个分光照射角膜的第二光学系统，在另一个分光的光路上的可移动参考反射镜和由角膜反射的测量光的位置光接收干涉光的光检测器，以及 反射镜，其基于干涉光图像获得三维角膜形状，基于获得的角膜形状数据获得角膜消融数据的单元，以及基于消融数据控制消融单元的单元。
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公开(公告)号：US20050157259A1
公开(公告)日：2005-07-21
申请号：US11018505
申请日：2004-12-22
CPC分类号： A61B3/0058 , A61B3/12 , A61B3/152
摘要： An apparatus for observing a fundus of an eye of an examinee has an observation optical system having an image-pickup element which obtains a time-series fundus image, a display part which displays the obtained fundus image on its monitor as a moving image, a determination part which determines a standard fundus image based on the displayed image, a memory part which stores the determined image, a calculation part which digitizes the image based on a threshold luminance level to obtain a digitized image thereof, digitizes a present fundus image obtained after the determination of the standard image based on the threshold luminance level to obtain a digitized image thereof and compares the obtained digitized images two-dimensionally to obtain their positional difference, and a display control part for correcting a display position of the present fundus image based on the obtained positional difference to display the corrected image on the monitor.
摘要翻译： 用于观察受检者眼底的装置具有观察光学系统，其具有获得时间序列眼底图像的图像拾取元件，将其监视器上获得的眼底图像显示为运动图像的显示部分， 确定部分，其基于所显示的图像确定标准眼底图像;存储器部分，其存储确定的图像;计算部分，其基于阈值亮度级数字化图像以获得其数字化图像;数字化后续获得的眼底图像; 基于阈值亮度水平确定标准图像以获得其数字化图像，并且二维地比较所获得的数字化图像以获得它们的位置差异;以及显示控制部分，用于基于以下方式校正本眼底图像的显示位置： 获得的位置差异以在监视器上显示校正图像。
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公开(公告)号：US20050030474A1
公开(公告)日：2005-02-10
申请号：US10902113
申请日：2004-07-30
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
CPC分类号： A61B3/1015 , G01J9/00
摘要： An ophthalmic apparatus which allows a patient to experience a manner of view after surgery (after correction) prior to surgery (prior to correction) and is capable of obtaining information required for performing refractive surgery suitable for the patient. The apparatus, which allows a patient to experience a manner of view after correction of optical aberration of a patient's eye, includes a target presenting optical system for presenting a target which the patient's eye is made to visually recognize, an aberration correcting optical system, which is arranged within an optical path of the target presenting optical system and has a light shaping optical unit which performs light shaping, for correcting the optical aberration of the patient's eye, an input unit which inputs data for correcting the optical aberration of the patient's eye, and a control unit which controls driving of the aberration correcting optical system based on the inputted correction data.
摘要翻译： 一种眼科装置，其允许患者在手术之前（矫正之后）在手术之后（在矫正之后）经历观察方式，并且能够获得执行适合于患者的屈光手术所需的信息。 该装置允许患者在校正患者眼睛的光学像差之后经历观看方式，包括用于呈现患者眼睛被视觉识别的目标的目标呈现光学系统，像差校正光学系统，其中 被布置在目标呈现光学系统的光路内，并且具有进行光整形的光整形光学单元，用于校正患者眼睛的光学像差;输入单元，其输入用于校正患者眼睛的光学像差的数据， 以及控制单元，其基于输入的校正数据来控制像差校正光学系统的驱动。
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公开(公告)号：US5549599A
公开(公告)日：1996-08-27
申请号：US415213
申请日：1995-04-03
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
CPC分类号： A61F9/008 , A61F9/00804 , A61B2017/00061 , A61F2009/00872
摘要： An apparatus for laser surgery on a cornea for correcting the refractive error of a patient's eye by removing away a part of the cornea by a laser beam. The apparatus has a first set device for setting the removing area in removal of stroma of the cornea, a second set device for setting the shape of the postoperation cornea, a device for restricting laser irradiation to the removing area determined by the second set device, a device for detecting whether removal of the epithelium from the cornea is accomplished, a device for changing a mode to remove away the epithelium to a mode to remove the stroma of the cornea based on detected results by the detecting device, and a control device for determining the area to be removed away on the epithelium based on the removing area set by the first set device in a mode for removing the epithelium of the cornea and driving the beam restricting device, and then for controlling the beam restricting device based on the set data by the second set device in a mode for removing the stroma of the cornea, thereby to remove away the stroma from the cornea in a desired shape.
摘要翻译： 一种用于角膜激光手术的装置，用于通过激光束去除一部分角膜来校正患者眼睛的屈光不正。 该装置具有用于设置去除角膜基质的去除区域的第一设定装置，用于设定术后角膜的形状的第二固定装置，用于将激光照射限制到由第二组装置确定的去除区域的装置， 用于检测是否完成从角膜去除上皮的装置，根据检测装置的检测结果，改变将上皮去除模式以去除角膜基质的模式的装置，以及用于 基于由第一组装置设置的去除区域，去除角膜上皮并驱动束限制装置的模式，确定要在上皮上去除的区域，然后基于该组合来控制束限制装置 通过第二组装置以用于去除角膜基质的模式的数据，从而以期望的形状去除角膜的基质。
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公开(公告)号：US07160288B2
公开(公告)日：2007-01-09
申请号：US10373596
申请日：2003-02-26
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
CPC分类号： A61B3/1015 , A61B3/0091 , A61B3/103 , A61B3/107 , A61F9/00804 , A61F2009/00872 , A61F2009/0088
摘要： An ophthalmic apparatus capable of guiding the visual axis of an eye to be examined, obtaining information about the visual axis, and performing measurement of optical characteristics of an eye such as wavefront aberration or laser refractive surgery with reference to the visual axis. The apparatus is provided with a target presenting optical system for guiding a visual axis of a patient's eye, and the presenting optical system has an optical axis of presentation and is provided with a first target and a second target located on the eye's side relative to the first target both on the optical axis of presentation, where the optical axis of presentation coincides with the visual axis when the eye fixates so as to make the first target coincide with the second target.
摘要翻译： 一种眼科装置，其能够引导要检查的眼睛的视轴，获得关于视轴的信息，并参照视轴进行诸如波前像差或激光屈光手术之类的眼睛的光学特性的测量。 该装置设置有用于引导患者眼睛的视轴的目标呈现光学系统，并且呈现光学系统具有呈现的光轴，并且设置有相对于眼睛的眼睛位于眼睛侧的第一目标和第二目标 在呈现的光轴上的第一目标，其中，当眼睛固定时，呈现的光轴与视轴重合，以使第一目标与第二目标重合。
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公开(公告)号：US20050195360A1
公开(公告)日：2005-09-08
申请号：US11066139
申请日：2005-02-25
申请人： Junichi Akita , Naoyuki Kondoh , Toshifumi Sumiya , Susumu Oshima , Akihiro Fujishiro , Toshiaki Mizuno
发明人： Junichi Akita , Naoyuki Kondoh , Toshifumi Sumiya , Susumu Oshima , Akihiro Fujishiro , Toshiaki Mizuno
CPC分类号： A61B3/135
摘要： An ophthalmic apparatus for examining an eye of a patient, comprises: a light projecting optical system for projecting examination light onto the eye, the optical system including: a light source; and a projection shape forming device which is electrically controlled to change a reflecting area of a reflecting surface or a transmitting area of a transmitting surface and is arranged to reflect or transmit the examination light emitted from the light source while forming a projection shape of the examination light into a desired shape so that the examination light of the desired shape is projected onto the eye; and a selection unit for selecting the projection shape of the examination light; and a control part which drivingly controls the forming device based on the selected projection shape.
摘要翻译： 一种用于检查患者眼睛的眼科装置，包括：用于将检查光投射到眼睛上的投光光学系统，所述光学系统包括：光源; 以及电子控制以改变透射面的反射面或透射区域的反射面积的突起形状形成装置，并且被配置为反射或透射从光源发射的检查光，同时形成检查的投影形状 将光变成所需的形状，使得所需形状的检查光投射到眼睛上; 以及选择单元，用于选择检查光的投影形状; 以及控制部件，其基于所选择的突出形状驱动地控制成形装置。
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公开(公告)号：US06860602B2
公开(公告)日：2005-03-01
申请号：US10261602
申请日：2002-10-02
申请人： Miwako Torii , Setsuo Saito , Toshifumi Sumiya
发明人： Miwako Torii , Setsuo Saito , Toshifumi Sumiya
CPC分类号： A61B3/117 , A61B3/1005 , A61B3/107
摘要： An apparatus for examining an anterior-segment of an eye, capable of grasping each part of the anterior-segment of the eye three-dimensionally and the condition of the center of its pupil accurately. The apparatus is provided with a projection optical system for projecting slit light onto the anterior-segment, which has an optical axis of projection, an image-pickup optical system for picking up a cross-sectional image of the anterior-segment which is optical-sectioned by the projected slit light, which has an optical axis of image-pickup inclined toward the projection optical axis, and comprises an image-pickup lens and an image-pickup device arranged based on the Scheimpflug's rule, rotation means for rotating the projected slit light and the image-pickup optical system about the projection optical axis, and display means for displaying a three-dimensional image of the anterior-segment based on the cross-sectional images picked up at a plurality of angles and the image-pickup angles corresponding to the images.
摘要翻译： 一种用于检查眼前段的装置，其能够三维地掌握眼睛前段的每一部分以及其瞳孔中心的状态。 该装置设置有用于将狭缝光投射到具有投影光轴的前段上的投影光学系统，用于拾取前段的横截面图像的图像拾取光学系统， 由具有朝向投影光轴倾斜的图像拾取光轴的投影狭缝光分割，并且包括基于Scheimpflug规则布置的图像拾取透镜和图像拾取装置，用于旋转投影狭缝的旋转装置 光和关于投影光轴的图像拾取光学系统，以及显示装置，用于基于以多个角度拾取的横截面图像显示前部的三维图像，并且对应于图像拾取角度 到图像。
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公开(公告)号：US06761455B2
公开(公告)日：2004-07-13
申请号：US10054851
申请日：2002-01-25
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
IPC分类号： A61B310
CPC分类号： A61B3/1176 , A61B3/156
摘要： The present invention intends to provide an ophthalmic apparatus which enables an examiner to diagnose a patient with cataract and the like in the early stage, and which can be used even for a screening examination and the like. The ophthalmic apparatus comprises an illumination optical system for having illumination light enter an inside of an eye to be examined so that the light scattered and reflected on a fundus of the eye illuminates an anterior part of the eye and a photographing optical system having an imaging spectroscope for obtaining an image including spectral information, for photographing a retroillumination image of the illuminated anterior part of the eye with the imaging spectroscope.
摘要翻译： 本发明旨在提供一种眼科装置，其能够使检查者能够在早期阶段诊断患有白内障等的患者，并且其可以甚至用于筛查检查等。 该眼科装置包括照明光学系统，用于使照明光进入要检查的眼睛的内部，使得在眼睛的眼底上散射和反射的光照射眼睛的前部，以及具有成像分光镜的拍摄光学系统 用于获得包括光谱信息的图像，用于利用成像分光镜拍摄被照射的前部的前照射图像。
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公开(公告)号：US5620437A
公开(公告)日：1997-04-15
申请号：US563005
申请日：1995-11-27
申请人： Toshifumi Sumiya
发明人： Toshifumi Sumiya
CPC分类号： A61F9/008 , A61F9/00804 , A61F9/00817 , A61F9/00819 , A61F2009/00872 , A61F9/00814 , A61F9/009
摘要： An operation apparatus for ablating the cornea by laser beam and correcting ametropia of the eye comprising a diaphragm with variable aperture, which is disposed on the optical path along which the laser beam is irradiated on the cornea, a shading member for shading the aperture of the diaphragm in the meridian diameter direction of the aperture, which is capable of varying the shading area to the aperture of the diaphragm by changing the turning angle to the optical path, in which aperture diameter of the diaphragm and variation in scope of the shading area by the shading member being controlled, and a beam rotator disposed in the eye side to the diaphragm rotates the laser beam passed through the aperture of the diaphragm about the optical path, whereby the cornea is ablated thicker at the periphery than at the center so as to correct hypermetropia.
摘要翻译： 一种用于通过激光束消除角膜并矫正眼睛屈光度的操作装置，其包括设置在激光束照射在角膜上的光路上的具有可变孔径的光阑的遮光构件， 通过将光阑的旋转角度改变为光阑的光阑直径和遮光区域的范围的变化，能够通过将光阑的旋转角度改变为遮光区域的遮光面积， 遮光构件被控制，并且设置在眼睛侧的光束旋转器使光圈旋转通过光阑周围的光圈的激光束，从而角膜在周边比在中心被烧蚀更厚，从而 正确的远视
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