公开(公告)号：US20250134368A1

公开(公告)日：2025-05-01

申请号：US18931901

申请日：2024-10-30

Applicant: TOPCON CORPORATION

Inventor： Naoki INUZUKA

IPC: A61B3/00 ,  A61B3/117

Abstract: A chin rest device, wherein the chin rest device is configured to be detachably attached to an optical table or a pedestal, the optical table of an ophthalmologic apparatus is configured to acquire information about a subject eye, and the pedestal is configured to support a measurement head for acquiring information about the subject eye such that the measurement head is movable in horizontal and vertical directions. The chin rest device comprises an attachment that is configured to be detachably attached to the optical table or the pedestal; and a chin rest portion that is configured to extend from the attachment toward a chin of an examinee to support the chin.

公开(公告)号：US12279824B2

公开(公告)日：2025-04-22

申请号：US17679085

申请日：2022-02-24

Applicant: Topcon Corporation

Inventor： Yoshikiyo Moriguchi

IPC: A61B3/135 ,  A61B3/00 ,  A61B3/10

Abstract: An ophthalmic apparatus includes an irradiation optical system, an optical scanner, an optical splitting and combining unit, and a detector. The irradiation optical system includes a light source and is configured to generate measurement light using light from the light source. The optical scanner is configured to deflect the measurement light and to guide the deflected measurement light to a subject's eye. The optical splitting and combining unit is configured to guide the measurement light to the optical scanner and to generate interference light between reference light that is generated from the light from the light source and returning light of the measurement light from the subject's eye. The detector is configured to detect the returning light and the interference light via the optical splitting and combining unit.

公开(公告)号：USD1070616S1

公开(公告)日：2025-04-15

申请号：US35520172

申请日：2023-02-27

Applicant: Topcon Corporation

Designer： Yasuhisa Kaneda ,  Takeo Aoki

公开(公告)号：US20250107708A1

公开(公告)日：2025-04-03

申请号：US18896568

申请日：2024-09-25

Applicant: TOPCON CORPORATION

Inventor： Yoko TATARA ,  Takafumi YUKIMORI ,  Makoto SAIKA ,  Ryoka NORO ,  Manabu SAKAIHARA

IPC: A61B3/103 ,  A61B3/00

Abstract: An ophthalmologic apparatus includes a visual-target presenting portion that is configured to present visual targets to left and right subject eyes, respectively; and an objective measurement optical system that is configured to objectively measure eye characteristics of the left and right subject eyes, respectively. The visual-target presenting portion is configured to present the visual targets while changing a convergence position, where two lines of sight from positions of the left and right subject eyes intersect, with pinhole plates respectively disposed at positions conjugate with pupils of the left and right subject eyes. The objective measurement optical system is configured to obtain the objective refractive values of the left and right subject eyes, respectively, under a condition where the pinhole plates are respectively disposed by the visual-target presenting portion and the visual targets presented at the convergence position are binocularly fused.

公开(公告)号：US12262948B2

公开(公告)日：2025-04-01

申请号：US16642066

申请日：2018-07-09

Applicant: Topcon Corporation

Inventor： Yasufumi Fukuma ,  Kazuhiro Oomori ,  Hisashi Tsukada

IPC: A61B3/10 ,  A61B3/00 ,  A61B3/13

Abstract: The present disclosure provides a microscope including a first optical member configured to guide light from a light source in a first optical axis direction; a first reflecting member configured to guide the light guided in the first optical axis direction in a second optical axis direction substantially orthogonal to the first optical axis direction; a second optical member configured to relay the light guided in the second optical axis direction; a second reflecting member configured to guide the light relayed by the second optical member in a third optical axis direction substantially orthogonal to the second optical axis direction; and a function expansion objective lens disposed on the third optical axis direction and configured to radiate the light guided in the third optical axis direction onto a predetermined portion of the observation target.

公开(公告)号：US12253601B2

公开(公告)日：2025-03-18

申请号：US17017719

申请日：2020-09-11

Applicant: Topcon Corporation

Inventor： Tadayuki Ito ,  Yoshihiro Nishi ,  Motohiro Miyajima

IPC: G01S17/42 ,  G01S7/481 ,  G01S17/89

Abstract: A three-dimensional survey apparatus includes a collimating ranging unit, a scanner unit, and a control calculation portion. The control calculation portion executes control to acquire, based on a survey result of the collimating ranging unit, three-dimensional data related to a characteristic portion of the measurement object which is present between a plurality of pieces of three-dimensional data that are included in point cloud data having been acquired by the scanner unit and of which the three-dimensional data has not been acquired by the scanner unit, and to add the three-dimensional data related to the characteristic portion of the measurement object having been acquired based on a survey result of the collimating ranging unit to the point cloud data having been acquired by the scanner unit.

公开(公告)号：US20250072745A1

公开(公告)日：2025-03-06

申请号：US18820109

申请日：2024-08-29

Applicant: OSAKA UNIVERSITY ,  TOPCON CORPORATION

Inventor： Takashi FUJIKADO ,  Yoko TATARA ,  Takafumi YUKIMORI ,  Makoto SAIKA ,  Ryoka NORO

IPC: A61B3/032 ,  A61B3/18

Abstract: An ophthalmic examination apparatus includes a visual target projection system including a visual target presentation portion that presents a fixed visual target to left and right subject eyes, an objective measurement optical system that objectively measures eye characteristics of the left and right subject eyes, and a controller that controls each portion of the apparatus, wherein the fixed visual target is a visual target for the left eye and a visual target for the right eye that are to be respectively projected to the left and right subject eyes and have a same drawing pattern in positions where up and down direction positions to visual target flames are the same.

公开(公告)号：US12232812B2

公开(公告)日：2025-02-25

申请号：US17393412

申请日：2021-08-04

Applicant: Topcon Corporation

Inventor： Takuya Oki

IPC: A61B3/10 ,  A61B3/00 ,  A61B3/02 ,  A61B3/11 ,  A61B3/12

Abstract: A fundus camera for reliably performing fundus imaging in a state where no miosis has been caused in the pupil of a subject eye, and a corresponding method. The fundus camera includes a camera main body configured to image the fundus of a subject eye, an anterior ocular segment image acquiring unit configured to repeatedly acquire an anterior ocular segment image of the subject eye at least before the imaging of the fundus by the camera main body, a pupil diameter detecting unit configured to repeatedly detect the pupil diameter of the subject eye based on the anterior ocular segment image repeatedly acquired by the anterior ocular segment image acquiring unit, and an imaging control unit configured to cause the camera main body to image the fundus in a case where the pupil diameter detected by the pupil diameter detecting unit reaches a predetermined first threshold value or more.

公开(公告)号：US12226160B2

公开(公告)日：2025-02-18

申请号：US18378711

申请日：2023-10-11

Applicant: TOPCON CORPORATION

Inventor： Yasufumi Fukuma ,  Hisashi Tsukada ,  Atsushi Kubota

IPC: G06K9/00 ,  A61B3/00 ,  A61B3/10 ,  A61B3/12 ,  A61B5/00 ,  G01B9/02 ,  G01B9/02091 ,  G06T3/14 ,  G06T3/20 ,  G06T3/60 ,  G06T7/32

Abstract: An OCT apparatus of an exemplary aspect includes an OCT scanner, image data generating unit, registration unit, and image data composing unit. The OCT scanner is configured to acquire three dimensional data sets by applying an OCT scan to mutually different three dimensional regions of a sample. The image data generating unit is configured to generate a plurality of pieces of image data from the three dimensional data sets. The registration unit is configured to perform a first registration between the plurality of pieces of image data by applying an image correlation calculation to each of overlap regions in the plurality of pieces of image data. The image data composing unit is configured to compose the plurality of pieces of image data based on a result of the first registration.

公开(公告)号：US12220173B2

公开(公告)日：2025-02-11

申请号：US16976782

申请日：2019-03-13

Applicant: TOPCON CORPORATION

Inventor： Kazuhiro Ohmori ,  Yasufumi Fukuma ,  Satoshi Yamamoto

IPC: A61B3/135 ,  A61B3/00 ,  A61B3/14

Abstract: A slit lamp microscope of an aspect example includes an illumination system, first photographing system, fixation system, movement mechanism, and controller. The illumination system projects slit light onto an anterior segment of a subject's eye from a first direction. The first photographing system photographs the anterior segment onto which the slit light is being projected, from a second direction different from the first direction. The fixation system outputs fixation light for fixation of the subject's eye. The movement mechanism moves the illumination system and the first photographing system. the controller performs a first control for the movement mechanism to move at least the illumination system and a second control for the first photographing system to photograph the anterior segment a plurality of times in parallel with each other while causing the fixation system to output the fixation light.