-
公开(公告)号：US20240108213A1
公开(公告)日：2024-04-04
申请号：US18371059
申请日：2023-09-21
Applicant: TOPCON CORPORATION
Inventor： Takafumi YUKIMORI , Yoko TATARA , Makoto SAIKA
CPC classification number: A61B3/0091 , A61B3/103
Abstract: An ophthalmologic apparatus includes a target projection system that presents an eye chart to a subject eye, an objective measurement optical system that objectively measures an eye characteristic of the subject eye, and a control portion that controls the target projection system and the objective measurement optical system, wherein the control portion presents the target for a predetermined time at a predetermined presentation position with the target projection system, and objectively measures the eye characteristic with the objective measurement optical system in a time series to control an operation of each portion based on a measurement result of the objective measurement.
-
公开(公告)号：US20240099579A1
公开(公告)日：2024-03-28
申请号：US18370952
申请日：2023-09-21
Applicant: TOPCON CORPORATION
Inventor： Takafumi YUKIMORI , Yoko TATARA , Makoto SAIKA
CPC classification number: A61B3/117 , A61B3/085 , A61B3/14 , A61B3/0041
Abstract: An ophthalmic apparatus includes an image acquisition unit configured to acquire an anterior segment image of a subject eye, an optotype projection system configured to present an optotype to the subject eye in at least two presentation positions different from each other, and a line-of-sight direction detection unit configured to extract a feature point from the anterior segment image that has been acquired by the image acquisition unit when the optotype has been presented in each of the at least two presentation positions, detect positional information on the anterior segment image of the feature point that has been extracted, and detect a line-of-sight direction of the subject eye on a basis of the positional information.
-
公开(公告)号：US20220151486A1
公开(公告)日：2022-05-19
申请号：US17665586
申请日：2022-02-06
Applicant: Topcon Corporation
Inventor： Yoko TATARA , Suguru MIYAGAWA , Tatsuo YAMAGUCHI , Makoto SAIKA
Abstract: The ophthalmologic device to be coupled to a correcting device for correcting subject eyes, the correcting device including a right-left pair of two examination windows and a right-left pair of arrangement mechanisms that each arrange first optical elements, includes: a coupling member configured to be detachably coupled to each of coupled members provided on a side surface of the correcting device on a side opposite to an eyepiece side for each subject eye; a second optical element arranged at a position facing a second examination window opposite to a first examination window which is an eyepiece window, when the coupling member is coupled to the coupled member, the second optical element configured to branch a second optical path from a first optical path along the optical axes; and an objective measuring system arranged on the second optical path and configured to acquire ocular characteristics of each subject eye.
-
Patent Agency Ranking
公开(公告)号：US20240156339A1
公开(公告)日：2024-05-16
申请号：US18283586
申请日：2022-02-17
Applicant: TOPCON CORPORATION
Inventor： Hiroaki OKADA , Yoko TATARA
CPC classification number: A61B3/102 , A61B3/1005 , A61B3/103 , A61B3/107
Abstract: An ophthalmologic apparatus includes a first left eye measurement optical system for measurement of dimensional information in a front-back direction of a left eye, a second left eye measurement optical system for measurement of a corneal shape of the left eye, a third left eye measurement optical system for measurement of a refractive property of the left eye, a first right eye measurement optical system for measurement of dimensional information in a front-back direction of a right eye, a second right eye measurement optical system for measurement of a corneal shape of the right eye, a third right eye measurement optical system for measurement of a refractive property of the right eye, and a control unit to control the first, second and third left eye measurement optical systems and the first, second and third right eye measurement optical systems.
-
公开(公告)号：US20240090761A1
公开(公告)日：2024-03-21
申请号：US18368945
申请日：2023-09-15
Applicant: TOPCON CORPORATION
Inventor： Takafumi YUKIMORI , Yoko TATARA , Makoto SAIKA
IPC: A61B3/103
CPC classification number: A61B3/103
Abstract: An ophthalmologic apparatus includes an objective measurement optical system that measures an objective refraction characteristic of a subject eye and a control portion that performs total control including control of the objective measurement optical system, wherein the control portion analyzes a characteristic amount of a ring image obtained by measuring the objective refraction characteristic of the subject eye to feedback to a subjective examination content of the subject eye according to an analysis result of the characteristic amount of the ring image.
-
公开(公告)号：US20230309819A1
公开(公告)日：2023-10-05
申请号：US18127280
申请日：2023-03-28
Applicant: TOPCON CORPORATION
Inventor： Yoko TATARA , Makoto SAIKA , Takafumi YUKIMORI
CPC classification number: A61B3/032 , A61B3/0075 , A61B3/18
Abstract: An ophthalmologic apparatus includes an optotype presentation mechanism that presents an optotype to a left subject eye and a right subject eye, and is capable of changing a brightness difference between the optotype presented to the left subject eye and the optotype presented to the right subject eye, a convergence adjustment mechanism configured to adjust a convergence distance, an eye information obtaining portion configured to obtain eye information on the left subject eye and the right subject eye, and a controller configured to control the optotype presentation mechanism, the convergence adjustment mechanism, and the eye information obtaining portion, wherein the controller sets the convergence distance to a distance different from a optotype presentation distance, gradually increases a brightness difference, and detects a visual line direction of the left subject eye and a visual line direction of the right subject eye based on the eye information.
-
公开(公告)号：US20230309814A1
公开(公告)日：2023-10-05
申请号：US18126445
申请日：2023-03-26
Applicant: TOPCON CORPORATION
Inventor： Takafumi YUKIMORI , Makoto SAIKA , Yoko TATARA , Akio HAYASHI
CPC classification number: A61B3/0091 , A61B3/0058 , A61B3/1035
Abstract: An ophthalmologic apparatus includes an objective measurement optical system that is configured to objectively measure eye characteristics of a subject eye; an optotype projection system that is configured to present a fixation target to the subject eye at a predetermined presentation position and apply fog to the subject eye; and a controller that is configured to control the objective measurement optical system and optotype projection system. The controller is further configured to objectively measure the eye characteristics over time by changing a presentation position of the fixation target from the predetermined presentation position in a direction to increase an amount of fog and presenting the fixation target.
-
公开(公告)号：US20230000342A1
公开(公告)日：2023-01-05
申请号：US17946064
申请日：2022-09-16
Applicant: TOPCON CORPORATION
Inventor： Yasufumi FUKUMA , Takefumi HAYASHI , Yoko TATARA
Abstract: An ophthalmic apparatus of an exemplary aspect performs the first and second OCT scans on a subject's eye. The first OCT scan is performed on the first region including the first site of the subject's eye, and the second OCT scan is performed on the second region including the second site. The ophthalmic apparatus acquires the first deviation information of the subject's eye prior to the first OCT scan and performs alignment, and also acquires the second deviation information of the subject's eye prior to the second OCT scan and performs alignment. The ophthalmic apparatus calculates the distance between the first site and the second site based on the first data acquired through the first OCT scan and second data acquired through the second OCT scan.
-
-
-
-
-
-
-
Search Results
18
records
(took 0.035 seconds)
