-
公开(公告)号：EP4252623A1
公开(公告)日：2023-10-04
申请号：EP23164371.9
申请日：2023-03-27
申请人： Topcon Corporation
发明人： YUKIMORI, Takafumi , SAIKA, Makoto , TATARA, Yoko , HAYASHI, Akio
摘要： An ophthalmologic apparatus (1) includes a subjective measurement optical system (44) configured to measure a subjective refractive value of a subject eye (E); an objective measurement optical system configured to measure objective refractive characteristics of the subject eye (E); and a controller (40) configured to control the subjective measurement optical system (44) and the objective measurement optical system. The controller (40) is further configured to measure the objective refractive characteristics of the subject eye (E) by the objective measurement optical system; and perform objective monitoring to monitor objective measurement information obtained by the measurement of the objective refractive characteristics during an RG test for checking whether or not corrected power is overcorrected or undercorrected by the subjective measurement optical system (44).
-
公开(公告)号：EP3430976B1
公开(公告)日：2020-03-25
申请号：EP17766232.7
申请日：2017-02-20
-
公开(公告)号：EP4344615A1
公开(公告)日：2024-04-03
申请号：EP23199578.8
申请日：2023-09-26
申请人： TOPCON CORPORATION
发明人： YUKIMORI, Takafumi , TATARA, Yoko , SAIKA, Makoto
IPC分类号： A61B3/103
摘要： An ophthalmologic apparatus includes a target projection system (140) that presents a target to a subject eye (E), an objective measurement optical system (160, 170) that objectively measures an eye characteristic of the subject eye (E), and a control portion (40) that controls the target projection system (140) and the objective measurement optical system (160, 170), wherein the control portion (40) presents the target for a predetermined time at a predetermined presentation position with the target projection system (140), and objectively measures the eye characteristic with the objective measurement optical system (160, 170) in a time series to control an operation of each portion based on a measurement result of the obj ective measurement.
-
公开(公告)号：EP4342359A1
公开(公告)日：2024-03-27
申请号：EP23197915.4
申请日：2023-09-18
申请人： TOPCON CORPORATION
发明人： YUKIMORI, Takafumi , TATARA, Yoko , SAIKA, Makoto
摘要： An ophthalmologic apparatus includes an objective measurement optical system that measures an objective refraction characteristic (6, 7) of a subject eye (E) and a control portion (40) that performs total control including control of the objective measurement optical system (6, 7), wherein the control portion (40) analyzes a characteristic amount of a ring image (RI) obtained by measuring the objective refraction characteristic of the subject eye (E) to feedback to a subjective examination content of the subject eye (E) according to an analysis result of the characteristic amount of the ring image (RI).
-
公开(公告)号：EP3138476A1
公开(公告)日：2017-03-08
申请号：EP16179646.1
申请日：2016-07-15
申请人： TOPCON CORPORATION
发明人： MIWA, Akemi , YAMAGUCHI, Tatsuo , SAIKA, Makoto
CPC分类号： A61B3/14 , A61B3/1015 , A61B3/1025 , A61B3/12 , A61B3/1225 , G02B6/06 , G02B21/0028 , G02B21/0056 , G02B21/0064
摘要： According to one embodiment, a fundus imaging apparatus includes a light source, an optical scanner, an optical fiber, a light guide system, a photodetector unit, and an image forming unit. The optical scanner scans the fundus of a subject's eye with light from the light source. The optical fiber includes a plurality of optical waveguides. The light guide system guides the light returning from the fundus to the entrance end of the optical fiber. The photodetector unit detects light output from each of at least three regions at the exit end of the optical fiber. The image forming unit forms a first image based on a detection result of light output from a first region of the at least three regions, and a second image based on detection results of light output from two or more regions of the at least three regions other than the first region.
摘要翻译： 根据一个实施例，眼底成像装置包括光源，光学扫描器，光纤，导光系统，光电检测器单元和图像形成单元。 光学扫描仪用来自光源的光扫描被检者眼睛的眼底。 光纤包括多个光波导。 光导系统将从眼底返回的光导向光纤的入口端。 光检测器单元检测在光纤的出口端处的至少三个区域中的每一个的光输出。 图像形成单元基于从至少三个区域的第一区域输出的光的检测结果形成第一图像，并且基于从至少三个区域的两个或更多个区域输出的光的检测结果，形成第二图像，其他 比第一个地区。
-
公开(公告)号：EP4342360A1
公开(公告)日：2024-03-27
申请号：EP23198959.1
申请日：2023-09-22
申请人： TOPCON CORPORATION
发明人： YUKIMORI, Takafumi , TATARA, Yoko , SAIKA, Makoto
摘要： An ophthalmic apparatus includes an image acquisition unit (159) configured to acquire an anterior segment image (E') of a subject eye (E), an optotype projection system (140) configured to present an optotype to the subject eye (E) in at least two presentation positions different from each other, and a line-of-sight direction detection unit (26) configured to extract a feature point from the anterior segment image (E') that has been acquired by the image acquisition unit (159) when the optotype has been presented in each of the at least two presentation positions, detect positional information on the anterior segment image (E') of the feature point that has been extracted, and detect a line-of-sight direction of the subject eye (E) on a basis of the positional information.
-
公开(公告)号：EP4226842A1
公开(公告)日：2023-08-16
申请号：EP23170242.4
申请日：2018-09-25
申请人： TOPCON CORPORATION
发明人： FUJII, Kouta , SAIKA, Makoto , SAKAI, Jun
摘要： An ophthalmic apparatus (1) of an exemplary embodiment is capable of applying OCT to the fundus (Ef) of a subject's eye (E), and includes an optical system, an optical scanner (44), an optical path length changing device (41, 114), a focus adjustment device (43, 43A), and a controller (210, 231). The optical system splits light output from a light source (101) into measurement light (LS) and reference light (LR), projects the measurement light onto the fundus (Ef), generates interference light (LC) by superposing returning light of the measurement light (LS) from the subject's eye (E) on the reference light (LR), and detects the interference light (LC). The optical scanner (44) deflects the measurement light (LS) in a two dimensional manner for scanning the fundus (Ef). The optical path length changing device (41, 114) changes at least one of an optical path length of the measurement light (LS) and an optical path length of the reference light (LR). The focus adjustment device (43, 43A) performs focus adjustment of a measurement arm. The controller (210, 231) calculates an estimated value of an axial length of the subject's eye (E) from a process of controlling the optical path length changing device (41, 114), performs focus adjustment of the measurement arm to calculate an estimated value of a diopter of the subject's eye (E) from a process of controlling the focus adjustment device (43, 43A), and controls the optical system and the optical scanner (44) based on a deflection range of the optical scanner (44) set based on the estimated value of the axial length and the estimated value of the diopter.
-
公开(公告)号：EP4082424A1
公开(公告)日：2022-11-02
申请号：EP22175085.4
申请日：2018-09-25
申请人： TOPCON CORPORATION
发明人： FUJII, Kouta , SAIKA, Makoto , SAKAI, Jun
IPC分类号： A61B3/10
摘要： An ophthalmic apparatus (1) of an exemplary embodiment is capable of applying OCT to the fundus (Ef) of a subject's eye (E), and includes an optical system, an optical scanner (44), an optical path length changing device (41), a focus adjustment device (43, 43A), and a controller (200). The optical system splits light output from a light source (101) into measurement light (LS) and reference light (LR), projects the measurement light (LS) onto the fundus (Ef), generates interference light (LC) by superposing returning light of the measurement light from the subject's eye on the reference light, and detects (125) the interference light. The optical scanner (44) deflects the measurement light (LS) in a two dimensional manner for scanning the fundus (Ef). The optical path length changing device (41, 114) changes at least one of an optical path length of the measurement light (LS) and an optical path length of the reference light (LR). The focus adjustment device (43, 43A) performs focus adjustment of the optical system. The controller (200) controls the optical scanner (44) based on at least the optical path length.
-
公开(公告)号：EP3632297A1
公开(公告)日：2020-04-08
申请号：EP18805566.9
申请日：2018-05-15
摘要： The present invention provide an ophthalmologic device and the method of operating the ophthalmologic device used for determining optimal addition power closer to a natural vision state. The device includes a visual target presenting unit configured to present a common visual target to be viewed with both subject's eyes; a presenting distance changing unit configured to change a presenting distance of the visual target presented by the visual target presenting unit from a predetermined far vision distance to a predetermined near vision distance; an ocular characteristic acquiring unit configured to objectively acquire an optical characteristic of the subject's eyes; an addition power adding unit configured to add the addition power to the both subject's eyes; and a control unit configured to cause the presenting distance changing unit to change the presenting distance and the ocular characteristic acquiring unit to continuously acquire the optical characteristic, in a state in which an addition power is added to the both subject's eyes by the addition power adding unit.
-
公开(公告)号：EP3459434A1
公开(公告)日：2019-03-27
申请号：EP18194497.6
申请日：2018-09-14
申请人： Topcon Corporation
发明人： SAIKA, Makoto
IPC分类号： A61B3/10
摘要： An ophthalmologic apparatus (1) includes an optical scanner (40), an interference optical system (30) hat splits light from a light source into measurement light and reference light, projects the measurement light onto a subject's eye (E) via the optical scanner (40), and detects interference light generated from returning light of the measurement light from the subject's eye (E) and the reference light, a controller (11) that controls the optical scanner (40) so as to perform scan by the measurement light in an intersecting direction which intersects a traveling direction of the measurement light, and an analyzer (141) that specifies a scan length (da1, db1, dc1, dd1; D1, D2, D3) based on a detection result of the interference light corresponding to the scan, the detection result being acquired by the interference optical system, the scan length (da1, db1, dc1, dd1; D1, D2, D3) being a length of a scan range in the intersecting direction within a characteristic region (AR1) in an anterior segment (Ea) of the subject's eye (E), and specifies a movement amount (∆dc, ∆dd) of the subject's eye (E) based on a reference value (da0, db0, dc0, dd0) of the characteristic region (AR1) and the scan length (da1, db1, dc1, dd1; D1, D2, D3).
-
-
-
-
-
-
-
-
-
搜索结果
15 条记录 (耗时 0.015 秒)
