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公开(公告)号：US20210186322A1
公开(公告)日：2021-06-24
申请号：US17113210
申请日：2020-12-07
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Masanori YATANI , Kazunari SHIMIZU , Tetsuya YAMAMOTO
Abstract: There is provided an ophthalmologic measurement apparatus for measuring a subject eye. The apparatus includes measurement means for objectively measuring eye refractive power of the subject eye, acquisition means for acquiring intraocular lens information relating to an intraocular lens inserted into the subject eye, and correction means for correcting a measurement result of the eye refractive power, based on the intraocular lens information.
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公开(公告)号：US20190269318A1
公开(公告)日：2019-09-05
申请号：US16282741
申请日：2019-02-22
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Hirohisa TERABE
Abstract: A subjective optometry apparatus includes a light projecting optical system that has a visual target presenting portion for emitting a target light flux and projects a target light flux emitted from the visual target presenting portion toward a subject eye, a calibration portion that is disposed in an optical path of the light projecting optical system and changes optical characteristics of the target light flux, an acquisition portion that acquires a near distance objective eye refractive power that is an eye refractive power of the subject eye objectively measured in a near distance viewing state, and a control portion that controls an operation for acquiring a near distance subjective eye refractive power that is a subjective eye refractive power of the subject eye measured in a near distance viewing state, based on the near distance objective eye refractive power.
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公开(公告)号：US20190099072A1
公开(公告)日：2019-04-04
申请号：US16141096
申请日：2018-09-25
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Sasagu TACHIBANA , Masaki TANAKA , Yujiro TOCHIKUBO
Abstract: An ophthalmic device includes an anterior ocular segment photographing unit, a fixation target display unit, and a processor. The anterior ocular segment photographing unit captures an anterior ocular segment image of at least one of a left eye and a right eye of a subject. The fixation target display unit displays a fixation target with respect to the at least one of the left eye and the right eye of the subject. The processor measures an eye position of the at least one of the left eye and the right eye of the subject by processing the anterior ocular segment image captured by the anterior ocular segment photographing unit. The processor generates eye position state information, which indicates a state of the eye position of the subject, based on measurement results of the eye position at least two timings including a post-switch timing and a pre-switch timing.
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公开(公告)号：US20150150448A1
公开(公告)日：2015-06-04
申请号：US14554466
申请日：2014-11-26
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Noriji KAWAI
CPC classification number: A61B3/107 , A61B3/1005 , A61B3/14 , A61B3/152
Abstract: There is provided an ophthalmic measurement apparatus 1 including: a keratoscopic projection optical system 10 that projects a pattern target toward a cornea Ec of a subject eye E; and an imaging optical system 20, the imaging device 27 of which captures second Purkinje images Rp1 and Rp2 that are target images formed due to the pattern target being reflected from a posterior corneal surface of the subject eye E. In the ophthalmic apparatus 1, a controller 100 executes a process (S9) of detecting the second Purkinje images Rp1 and Rp2 based on an imaging signal output from the imaging device 27, and an anterior chamber information acquisition process (S10) of acquiring information of the posterior corneal surface of the subject eye E based on the detected result of the detecting process.
Abstract translation: 提供了一种眼科测量装置1，其包括：角膜投影光学系统10，其将图案对象朝向被检眼E的角膜Ec突出; 以及成像光学系统20，其成像装置27捕获作为由对象眼E的后角膜表面反射的图案对象形成的目标图像的第二浦肯野图像Rp1和Rp2。在眼科装置1中， 控制器100执行基于从成像装置27输出的成像信号来检测第二浦肯野图像Rp1和Rp2的处理（S9），以及获取对象的后角膜表面的信息的前房信息获取处理（S10） 根据检测结果检测眼睛E。
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公开(公告)号：US20230143549A1
公开(公告)日：2023-05-11
申请号：US17915356
申请日：2021-03-25
Applicant: NIDEK CO., LTD
Inventor： Arisa SHIMAZAKI , Taeko HORINO , Yukito HIRAYAMA , Michihiro TAKII , Jouji SEKO
CPC classification number: A61B3/032 , A61B3/0033
Abstract: This optometry system, for presenting a test chart to an eye being tested and subjectively measuring an optical characteristic of the eye being tested, is provided with a setting means which sets a reference value based on the subject's reaction time to a test chart, a reaction input means which inputs the response of the subject reading the test chart, a control means which automatically advances the test on the basis of an input signal from the response input means, and a guidance information output means which, on the basis of the reference value set by the testing means, outputs guidance information for guiding the subject to input a response during testing of the eye being tested. Hereby, it is possible to accurately carry out a subjective test on the eye being tested.
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Patent Agency Ranking
公开(公告)号：US20210298599A1
公开(公告)日：2021-09-30
申请号：US17215327
申请日：2021-03-29
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII
Abstract: 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
Applicant: NIDEK CO., LTD
Inventor： Michihiro TAKII , Kunihito MIZUKOSHI , Tomoya ISHII , Kyoji TAKEICHI
Abstract: 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
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Masaaki HANEBUCHI , Hisashi OCHI
IPC: A61B3/032
Abstract: 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
Applicant: NIDEK CO., LTD.
Inventor： Michihiro TAKII , Masaaki HANEBUCHI , Hisashi OCHI , Sasagu TACHIBANA
CPC classification number: A61B3/0008 , A61B3/0091 , A61B3/028 , A61B3/103 , A61B3/152 , A61B2560/0223
Abstract: 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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20.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
Applicant: NIDEK CO., LTD.
Inventor： Taeko HORINO , Michihiro TAKII , Noriji KAWAI
CPC classification number: A61B3/0285 , A61B3/0025 , A61B3/0041 , A61B3/0075 , A61B3/032 , A61B3/0325 , A61B3/036 , A61B3/06 , A61B3/103
Abstract: 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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