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公开(公告)号:US20230301512A1
公开(公告)日:2023-09-28
申请号:US18019799
申请日:2020-10-21
申请人: AIFORPET
发明人: Eu Na HEO , Eunsim HEO , Woojin HEO
CPC分类号: A61B3/14 , A61B3/1208 , A61B3/0041
摘要: Disclosed are a portable retina measuring device, and an ophthalmologic disease measuring system and an ophthalmologic disease management method using the portable terminal. The portable retina measuring device comprises: a photographing unit which obtains a photographed image by photographing the retina of a photography subject; and a device control unit which uses the obtained photographed image to generate measurement result data, wherein the photography unit comprises a flat light source irradiation unit, the flat light source irradiation unit comprising: a light source unit that generates a light source for the photography subject; a grid that is located so as to face the light source unit and has a grid pattern; and a photographing element that is located in the center of the grid.
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公开(公告)号:US20230270328A1
公开(公告)日:2023-08-31
申请号:US18143916
申请日:2023-05-05
申请人: NIKON CORPORATION
发明人: David M. Williamson
CPC分类号: A61B3/154 , A61B3/152 , A61B5/6898 , A61B3/12 , A61B3/14 , A61B3/1208
摘要: An optical imaging system includes a first lens system housed in a body of a mobile telecommunication device, the first lens system having a first optical axis, a first entrance pupil fixed in space in a reference plane associated with said body, and a first focal length; and an optical telescope providing a diffraction-limited imaging within a spectral range from at least 486 nm to at least 656 nm. The optical imaging system is configured to image, when the optical telescope is inserted between the first lens system and an entrance pupil of a visual system of an eye (EPE), the EPE onto the first entrance pupil and vice versa with a substantially unit magnification.
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公开(公告)号:US20190239744A1
公开(公告)日:2019-08-08
申请号:US16271645
申请日:2019-02-08
CPC分类号: A61B3/158 , A61B3/0025 , A61B3/102 , A61B3/1208 , A61B3/125 , G02B27/0018
摘要: A retinal imager for imaging a retina of an eye includes an illumination source operable to generate illumination light and a beam splitter operable to receive the illumination light and direct the illumination light along an optical axis. The retinal imager also includes a field lens disposed along the optical axis and an objective lens disposed along the optical axis and operable to contact a cornea of the eye. An aerial image is formed adjacent to the field lens. The retinal imager further includes an image sensor and one or more lenses disposed along the optical axis between the beam splitter and the image sensor. The one or more lenses are operable to form a sensor image at the image sensor.
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公开(公告)号:US20190076019A1
公开(公告)日:2019-03-14
申请号:US15699469
申请日:2017-09-08
申请人: Arkadiy Farberov
发明人: Arkadiy Farberov
CPC分类号: A61B3/1208 , G02B3/04 , G02B2003/0093
摘要: Proposed is an ophthalmic lens doublet for indirect ophthalmoscopy. The doublet is cemented into an integral unit from two lens elements, of which is a convex-convex lens element and another is a convex-concave lens element. Both lens elements have external and internal surfaces and may be combined so that the ophthalmic lens doublet has asphericity either on one side or on both sides of the unit. The aspheric surface is characterized by asphericity Z of the following formula (1) Z=Y2/{R+[R2−(1+k)Y2]1/2} (1), where Z is in one of coordinates in a Cartesian coordinate system, Y is a second coordinate in the Cartesian coordinate system, R and k being variable parameters which are different for each selected values of d, where d is an outer diameter of the ophthalmic lens doublet.
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公开(公告)号:US20180160903A1
公开(公告)日:2018-06-14
申请号:US15880297
申请日:2018-01-25
发明人: Wei SU
CPC分类号: A61B3/14 , A61B3/0008 , A61B3/0025 , A61B3/1208 , A61B3/125 , A61B3/132 , A61B3/145 , A61B3/152 , A61B3/158 , A61B5/0013 , A61B2560/0475 , A61B2576/02
摘要: An eye imaging apparatus can include a housing, an optical imaging system in the housing, and a light source in the housing to illuminate an eye. The optical imaging system can include an optical window at a front end of the housing with a concave front surface for receiving the eye as well as an imaging lens disposed rearward the optical window. The apparatus can comprise a light conditioning element configured to receive light from the light source and direct said light to the eye. The apparatus can further include an image sensor in the housing disposed to receive an image of the eye from the optical imaging system. In various embodiments, light conditioning element includes at least one multi-segment surface. In some embodiments, the housing is provided with at least one hermitic seal, for example, with the optical window. In some embodiments, time sequential illumination is employed.
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公开(公告)号:US20180153402A1
公开(公告)日:2018-06-07
申请号:US15834289
申请日:2017-12-07
CPC分类号: A61B3/1208 , A61B3/0058 , A61B3/10 , A61B3/1241 , A61B3/14 , A61B3/15
摘要: A manual image-capturing device for the registration of low-cost ophthalmological images, accessible to those countries and places that do not have access to conventional high-cost devices, wherein the device of the invention allows taking and recording images of the retina using smart mobile devices such as for example smart phones, also allowing live transmission of the ophthalmological examination.
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公开(公告)号:US09901242B2
公开(公告)日:2018-02-27
申请号:US13338813
申请日:2011-12-28
申请人: Chu-Ming Cheng , Long-Sheng Liao , Yu-Tsung Lee
发明人: Chu-Ming Cheng , Long-Sheng Liao , Yu-Tsung Lee
CPC分类号: A61B1/00108 , A61B1/00034 , A61B1/00105 , A61B1/00188 , A61B1/227 , A61B1/233 , A61B1/267 , A61B3/1208 , A61B5/0077 , A61B2560/0406 , A61B2560/0443
摘要: A digital diagnostic system with interchangeable lenses includes a host and at least one optical lens module, wherein the host without any optical lens having curved surface includes a focus adjustment module which drives an image capture module to linearly move. Therefore, the optical system of the optical lens module can be designed independently, and no need to include focus adjustment mechanism, so that the optical design of the optical lens module can be greatly simplified, and the system allows a greater mechanism tolerance, thereby reducing manufacturing difficulty and manufacturing cost.
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公开(公告)号:US20170303857A1
公开(公告)日:2017-10-26
申请号:US15495065
申请日:2017-04-24
申请人: Welch Allyn, Inc.
发明人: David G. Perkins , Raymond A. Lia , Robert L. Vivenzio , John R. Strom , Ervin Goldfain , Steven R. Slawson , Michael T. McMahon
CPC分类号: A61B5/6898 , A61B1/00105 , A61B1/042 , A61B1/227 , A61B1/233 , A61B1/267 , A61B1/303 , A61B3/12 , A61B3/1208 , A61B3/14 , A61B5/0077 , A61B2560/0443 , A61B2562/0233 , F16B1/00 , F16B2001/0035 , H04N7/185
摘要: An examination system having separate enabled interchangeable operating modes includes at least one medical device having a housing retaining an optical system. The examination system further includes an adapter that is configured for aligning a plurality of disparate smart devices with the optical system of the medical device when the adapter is attached to the medical device, thereby enabling multiple operating modes without modification to the device. In at least one version, common engagement features are provided on a plurality of medical devices to permit the adapter and an attached smart device to be used therewith interchangeably.
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公开(公告)号:US09770166B2
公开(公告)日:2017-09-26
申请号:US14680625
申请日:2015-04-07
CPC分类号: A61B3/1208 , A61B3/0041 , A61B3/1225 , A61B3/125 , A61B3/14
摘要: A contact-type ophthalmoscope includes a contact lens, an annular illumination module, an imaging lens group and an image capture module. The contact lens having a concave surface is configured for contacting an eyeball. The annular illumination module arranged close to the contact lens is configured for providing a direct illumination light source to illuminate a fundus of the eyeball. The imaging lens group is disposed in the central hollow portion of the annular illumination module and configured for converging the reflected light from the fundus of the eyeball. The image capture module is configured for capturing the reflected light converged by the imaging lens group to form an image. The above-mentioned contact-type ophthalmoscope has advantages of better illumination efficiency, compactness and less scattered light reflected from the imaging lens.
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公开(公告)号:US09706918B2
公开(公告)日:2017-07-18
申请号:US14893951
申请日:2014-05-30
发明人: David Myung , Robert Tienhan Chang , Lingmin He , Alex Nugent , Huynh P. Van , Ira G. Wong , Alexandre Jais , Mark Blumenkranz
CPC分类号: A61B3/1208 , A61B3/10 , A61B3/117 , A61B3/12 , A61B3/125 , A61B3/14 , A61B3/145 , A61B5/6898 , A61B2090/309 , A61B2560/0443
摘要: A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.
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