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    • 4. 发明授权
    • Examination apparatus for examining an object having a spheroidal
reflective surface
    • 用于检查具有球形反射表面的物体的检查装置
    • US5463430A
    • 1995-10-31
    • US98786
    • 1993-07-29
    • Naoki IsogaiYoshiaki MimuraMasanao Fujieda
    • Naoki IsogaiYoshiaki MimuraMasanao Fujieda
    • A61B3/107G01B11/255A61B3/10G01B11/24
    • G01B11/255A61B3/107
    • An examination apparatus for examining an object having a spheroidal reflecting surface provides a first index projecting optical system for projecting a first measuring index onto the object to be examined at a designated angle, a second index projecting optical system for projecting a second measuring index having a different optical distance from the first index onto the object at the designated angle, so that each reflected images of the first and second measuring index have a designated image height relationship therebetween when the object is placed at a designated working distance, and respective image height of reflected images of the first and second measuring index are detected by a detecting optical system with a photoelectric conversion apparatus, whereby whether the working distance between the object and the apparatus is right or not is judged by processing a signal detected by the photoelectric conversion apparatus.
    • 一种用于检查具有球形反射面​​的物体的检查装置,提供了用于将第一测量指标以指定角度投影到待检查对象上的第一折射率投影光学系统,用于投影第二测量指标的第二折射率投影光学系统, 以指定角度从第一索引到物体的不同光学距离,使得当物体被放置在指定的工作距离时,第一和第二测量索引的每个反射图像具有指定的图像高度关系,并且各个图像高度 通过具有光电转换装置的检测光学系统来检测第一和第二测量索引的反射图像,由此通过处理由光电转换装置检测到的信号来判断物体和装置之间的工作距离是否正确。
    • 5. 发明授权
    • Ophthalmic apparatus
    • 眼科仪器
    • US5764341A
    • 1998-06-09
    • US754933
    • 1996-11-25
    • Masanao FujiedaNaoki Isogai
    • Masanao FujiedaNaoki Isogai
    • A61B3/00A61B3/028A61B3/10A61B3/11A61B3/14A61B3/15
    • A61B3/15A61B3/111
    • An ophthalmic apparatus in which a measuring part for inspecting-or-measuring an eye to be examined is disposed so as to move relatively against a fixation stand, the ophthalmic apparatus comprises light source for use in detecting a relative movement, which is disposed in the one between the fixation stand side and the measuring part side, photo detecting elements for detecting a light bundle emitted from the light source for use in detecting a relative movement, which is disposed in the other between the fixation stand side and the measuring part side, target forming device for forming at least two target-images, that are transmitted from the light source for use in detecting a relative movement onto the photo detecting elements plane, upon before and after the movement according to the relative movement by the measuring device against the fixation stand, and calculating device for calculating a relative position of the measuring part against the fixation stand based on a detecting information of the target images detected by the photo detecting elements.
    • 一种眼科装置,其中用于检查或测量被检眼的测量部件设置成相对于定影台移动,该眼科装置包括用于检测相对运动的光源,该光源设置在 一个在固定支架侧和测量部分侧之间,用于检测从用于检测相对运动的光源发射的光束的光检测元件,该光束检测元件设置在固定支架侧和测量部分侧之间, 目标形成装置,用于形成至少两个目标图像,所述至少两个目标图像是根据所述测量装置相对于所述光学元件的相对运动而在所述运动之前和之后从所述光源传输用于检测到所述光检测元件平面上的相对运动 固定支架和计算装置,用于基于检测i计算测量部件相对于固定支架的相对位置 由光检测元件检测到的目标图像的形状。
    • 7. 发明授权
    • Eye refractive power measurement apparatus
    • 眼屈光力测量仪
    • US07452078B2
    • 2008-11-18
    • US11527571
    • 2006-09-27
    • Naoki Isogai
    • Naoki Isogai
    • A61B3/10
    • A61B3/103
    • An eye refractive power measurement apparatus by which an examiner can properly check reliability of a measurement result while time and effort of the examiner are saved. The eye refractive power measurement apparatus for measuring eye refractive power of an examinee's eye has a measurement optical system for projecting a measurement target onto a fundus of the eye to pick up a fundus reflection image by a two-dimensional image-pickup element, a storing device which stores the picked-up fundus reflection image as a measurement image, a display device, a measurement condition judging device which makes a judgment as to whether or not the stored measurement image satisfies a predetermined measurement condition, and a first display control device which controls the display device to display the stored measurement image when the measurement condition judging device judges that the measurement condition is not satisfied.
    • 眼睛屈光度测量装置,在检查者的时间和精力被保存的情况下,检查者可以适当地检查测量结果的可靠性。 用于测量受检眼睛的眼睛屈光度的眼屈光度测量装置具有测量光学系统,用于将测量目标投射到眼底,以通过二维图像拾取元件拾取眼底反射图像,存储 存储拾取眼底反射图像作为测量图像的装置,显示装置,判断所存储的测量图像是否满足预定测量条件的测量条件判断装置,以及第一显示控制装置, 当测量条件判断装置判断为不满足测量条件时,控制显示装置显示存储的测量图像。
    • 8. 发明授权
    • Ocular accommodative function examination apparatus
    • 眼部调节功能检查仪
    • US07341346B2
    • 2008-03-11
    • US11013358
    • 2004-12-17
    • Miwako HanakiNoriji KawaiNaoki Isogai
    • Miwako HanakiNoriji KawaiNaoki Isogai
    • A61B3/10
    • A61B3/028
    • An ocular accommodative function examination apparatus for examining an accommodative function of an examinee's eye, comprises: a fixation target presenting optical system which presents a fixation target at a presenting position to the eye, the presenting position being changeable in a direction of a visual axis of the eye; a refractive power measuring optical system which measures refractive power of the eye and includes a light projecting optical system which includes a light source and projects examination light to a fundus of the eye and a light receiving optical system which includes a light receiving element and receives the examination light reflected from the fundus; an analysis part which acquires variation or fluctuation in the refractive power in a specified measurement meridian direction of the eye gazing at the fixation target at a certain presenting position within a predetermined time based on output of the light receiving element, and determines the accommodative function of the eye based on the acquired variation or fluctuation; an output part which outputs a result determined by the analysis part; and a correcting device which corrects the refractive power determined in the specified measurement meridian direction based on astigmatic power and an astigmatic axis angle when the eye has astigmatism; wherein the analysis part determines the accommodative function based on the corrected refractive power.
    • 一种用于检查受检者的眼睛的调节功能的眼部调节功能检查装置,包括:一个固定目标呈现光学系统,其在眼睛的呈现位置处呈现定影目标,所述呈现位置可在视轴方向上变化 眼; 测量眼睛屈光度的屈光度测量光学系统,包括光投射光学系统,该光学系统包括光源并将检查光投射到眼底;以及光接收光学系统,其包括光接收元件并接收 眼底反射的检查光; 分析部,其基于光接收元件的输出,在预定时间内在特定呈现位置处,在指定的测量子午线方向上获取指定的测量子午线方向的折射力的变化或波动,并且确定调节功能 基于获得的变化或波动的眼睛; 输出由分析部确定的结果的输出部; 以及校正装置,其校正当眼睛具有散光时基于像散力和散光轴角度在指定的测量子午线方向上确定的屈光力; 其中所述分析部件基于所述校正的屈光度来确定所述调节功能。