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公开(公告)号：US20190099073A1
公开(公告)日：2019-04-04
申请号：US16144374
申请日：2018-09-27
申请人： NIDEK CO., LTD.
摘要： A subjective optometry apparatus includes a subjective measurement portion which subjectively measures optical characteristics of an subject eye, an objective measurement portion which objectively measures optical characteristics of the subject eye, a control portion which causes the objective measurement portion to objectively measure the optical characteristics during the measurement by the subjective measurement portion, and a display control portion which performs a control to display an eye diagram representing the subject eye and an imaging position of a target light flux incident on the subject eye. The display control portion performs a control to display the imaging position based on the objectively measured optical characteristics.
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公开(公告)号：US20210095953A1
公开(公告)日：2021-04-01
申请号：US17034777
申请日：2020-09-28
申请人： NIDEK CO., LTD.
发明人： Michihiro TAKII , Kyoji TAKEICHI , Yuya NAKAKO , Takaaki MATSUI
摘要： An eyeglass frame shape measurement device includes an optical measurement unit, a probe unit, a holding unit that holds the optical measurement unit and the probe unit, a changing portion that integrally moves the optical measurement unit and the probe unit with respect to an eyeglass frame to change a measurement position with respect to a groove of a rim of the eyeglass frame, and a controller that controls an operation of the eyeglass frame shape measurement device. The controller controls an operation of the changing portion to measure the groove of the rim of the eyeglass frame, acquires a cross-sectional shape of the groove of the rim of the eyeglass frame based on a detection result detected by the optical measurement unit, and acquires a shape of the rim of the eyeglass frame based on a detection result detected by the probe unit.
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公开(公告)号：US20180078135A1
公开(公告)日：2018-03-22
申请号：US15710202
申请日：2017-09-20
申请人： NIDEK CO., LTD.
发明人： Michihiro TAKII , Noriji KAWAI , Taeko HORINO , Hisashi OCHI , Kazunori SHIBATA
CPC分类号： A61B3/18 , A61B3/0025 , A61B3/0091 , A61B3/111 , A61B3/14
摘要： An optometry apparatus includes: an optical characteristic measurement device configured to measure an optical characteristic of right and left subject eyes in a both-eye opened state by projecting a visual target onto the subject eyes; an anterior ocular segment acquisition device configured to acquire anterior ocular segment images of the right and left subject eyes by the optical characteristic measurement device during the measurement of the optical characteristic of the subject eye in the both-eye opened state; and a controller configured to execute: an analysis instruction for performing analysis processing on the anterior ocular segment images acquired by the anterior ocular segment acquisition device to acquire both-eye opened state information; a determination instruction for determining whether the both-eye opened state information acquired by the analysis instruction is favorable or not, to acquire determination information; and an output instruction for outputting the determination information acquired by the determination instruction.
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公开(公告)号：US20150223689A1
公开(公告)日：2015-08-13
申请号：US14694360
申请日：2015-04-23
申请人： NIDEK CO., LTD.
发明人： Naoto HONDA , Michihiro TAKII
CPC分类号： A61B3/152 , A61B3/0041 , A61B3/0075 , A61B3/0091 , A61B3/1005 , A61B3/145
摘要： A corneal endothelial cell photographing apparatus comprises: a main unit including: an illumination optical system for illuminating illumination light from an illumination light source toward a cornea of an examinee's eye from an oblique direction; an imaging optical system for obtaining a corneal endothelial cell image by receiving, through an imaging element, reflection light from the cornea including corneal endothelial cells; and a fixation optical system including a plurality of fixation targets and for guiding a fixation direction of the examinee's eye; a drive unit to relatively move the main unit with respect to the examinee's eye; a serial photographing unit to obtain endothelial images in series at different photographing positions in previously set up-and-down and right-and-left directions; and a monitor to display the obtained endothelial image.
摘要翻译： 角膜内皮细胞摄影装置包括：主单元，包括：照明光学系统，用于从倾斜方向照射来自照明光源的照明光朝向被检眼的角膜; 一种成像光学系统，用于通过成像元件接收来自角膜的包括角膜内皮细胞的反射光来获得角膜内皮细胞图像; 以及包括多个固定目标并用于引导被检眼的固定方向的固定光学系统; 驱动单元，用于使主单元相对于受检者的眼睛相对移动; 串行摄影单元，以预先设定的上下左右方向在不同拍摄位置上串联获得内皮图像; 以及显示所获得的内皮图像的监视器。
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公开(公告)号：US20210298599A1
公开(公告)日：2021-09-30
申请号：US17215327
申请日：2021-03-29
申请人： NIDEK CO., LTD.
发明人： Michihiro TAKII
摘要： An ophthalmic apparatus includes a first optical system for acquiring information regarding an eye refractive power of a subject eye based on reflection light of measurement light reflected from a fundus of the subject eye, a second optical system for acquiring anterior segment information regarding a shape of an anterior segment of the subject eye, and a calculation controller that acquires an axial length of the subject eye based on an on-surface eye refractive power, which is the eye refractive power on a cross section on which an optical axis of the first optical system is arranged and the anterior segment information regarding the cross section.
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公开(公告)号：US20200158496A1
公开(公告)日：2020-05-21
申请号：US16635308
申请日：2018-06-06
申请人： NIDEK CO., LTD
摘要： An eyeglass frame shape measurement device measures a shape of an eyeglass frame. The eyeglass frame shape measurement device includes a light projecting optical system that has a light source and emits measurement light from the light source toward a groove of a rim of an eyeglass frame, a light receiving optical system that has a detector and causes the detector to receive reflected light of the measurement light emitted toward the groove in the rim of the eyeglass frame by the light projecting optical system and reflected by the groove of the rim of the eyeglass frame, an acquisition section that acquires a cross-sectional shape of the groove of the rim of the eyeglass frame on the basis of the reflected light received by the detector, and a luminance control section that controls a luminance level of the reflected light to be received by the detector.
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公开(公告)号：US20180296085A1
公开(公告)日：2018-10-18
申请号：US15942016
申请日：2018-03-30
申请人： NIDEK CO., LTD.
发明人： Michihiro TAKII , Masaaki HANEBUCHI , Hisashi OCHI
IPC分类号： A61B3/032
摘要： A subjective optometry apparatus includes a light projecting optical system which projects a target light flux toward an examinee's eye to project a visual target onto the examinee's eye, a calibration optical system which is disposed in an optical path from the light projecting optical system to the examinee's eye and changes optical characteristics of the target light flux, an optical member which guides the target light flux of which the optical characteristics is changed by the calibration optical system to the examinee's eye, a light deflection section being different from the calibration optical system, which includes light deflection members provided in a left and right pair and a driving section which rotationally drives the light deflection members, and deflects the target light flux by rotating the light deflection members, and a control section which controls the light deflection section based on prism information to deflect the target light flux.
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公开(公告)号：US20180256022A1
公开(公告)日：2018-09-13
申请号：US15913029
申请日：2018-03-06
申请人： NIDEK CO., LTD.
CPC分类号： A61B3/0008 , A61B3/0091 , A61B3/028 , A61B3/103 , A61B3/152 , A61B2560/0223
摘要： A subjective optometry apparatus includes a light projecting optical system that projects a target light flux to an examinee's eye, a fixed optical element that guides an image of the target light flux to the examinee's eye so as to have an optically predetermined examination length, a calibration optical system disposed in an optical path of the light projecting optical system to change optical characteristics of the examinee's eye, a measurement unit that accommodates the light projecting optical system; a positional information acquiring portion that acquires positional information of the measurement unit, a correction amount setting portion that sets a correction amount for correcting a projection magnification of the target light flux projected to the examinee's eye, based on the positional information, and a correction portion that corrects the projection magnification of the target light flux based on the correction amount set by the correction amount setting portion.
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9.发明申请公开(公告)号：US20180192867A1
公开(公告)日：2018-07-12
申请号：US15865799
申请日：2018-01-09
申请人： NIDEK CO., LTD.
发明人： Taeko HORINO , Michihiro TAKII , Noriji KAWAI
CPC分类号： A61B3/0285 , A61B3/0025 , A61B3/0041 , A61B3/0075 , A61B3/032 , A61B3/0325 , A61B3/036 , A61B3/06 , A61B3/103
摘要： A subjective optometry apparatus includes: a subjective measurer which has a corrective optical system disposed on an optical path of a light projecting optical system configured to project a target light flux toward an examinee's eye and configured to change an optical characteristic of the target light flux and which is configured to subjectively measure an optical characteristic of the examinee's eye; an acquisitor configured to acquire position information on at least one of examinee's right and left eyes; a determiner configured to determine, based on the position information acquired by the acquisitor, whether or not subjective measurement can be implemented in a binocular open state of the examinee's right and left eyes, thereby acquiring determination information; and a determination information output unit configured to output the determination information acquired by the determiner.
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公开(公告)号：US20180064339A1
公开(公告)日：2018-03-08
申请号：US15694235
申请日：2017-09-01
申请人： NIDEK CO., LTD.
发明人： Michihiro TAKII , Masaaki HANEBUCHI , Noriji KAWAI
CPC分类号： A61B3/18 , A61B3/0008 , A61B3/0025 , A61B3/0091 , A61B3/02 , A61B3/10 , A61B3/1005 , A61B2560/0233
摘要： A subjective optometry apparatus includes subjective measurement unit for subjectively measuring an optical characteristic of a subject eye, the subjective measurement unit including a calibration optical system that is disposed in an optical path of a light projecting optical system projecting a visual target luminous flux toward the subject eye and changes an optical characteristic of the visual target luminous flux. The subjective optometry apparatus includes objective measurement unit for objectively measuring the optical characteristic of the subject eye, the objective measurement unit including a measurement optical system that emits measurement light to a fundus of the subject eye and receives reflected light of the measurement light. The subjective optometry apparatus includes controller for objectively measuring the optical characteristic of the subject eye by the objective measurement unit while the optical characteristic of the subject eye is subjectively measured by the subjective measurement unit.
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