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公开(公告)号：EP1496791B1
公开(公告)日：2007-10-10
申请号：EP02788159.8
申请日：2002-12-18
申请人： Ophthalmos Limited
发明人： ARMOUR, Roger Hanif
IPC分类号： A61B3/12
摘要： A lens-free ophthalmoscope (21, 41) comprising means (22, 42) defining a first light path (a), reflective means (23, 43) arranged to divert light from the first light path (a) along a second light path (b) extending through a first window (24, 44) and into a subject eye (29, 49), a second window (25, 45) through which a user can view a subject eye (29, 49) along a path (d) extending generally parallel to the second light path (b), and a baffle (23, 26; 43,46) arranged between the first light path (a) and second window (25, 45) to prevent, or at least substantially reduce, any light exiting the ophthalmoscope through the second window (25, 45). Hence, any light which might otherwise pass through the second window (25) int the eye (30, 50) of an user, is eliminated or at least substantially reduced, thereby substantially reducing glace and anhancing the user's view of the subject eye (29, 49).
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公开(公告)号：EP1374757A1
公开(公告)日：2004-01-02
申请号：EP03253524.7
申请日：2003-06-04
IPC分类号： A61B3/14
CPC分类号： A61B3/156
摘要： There is provided an ophthalmologic image pickup apparatus in which a pattern of an image resulting from unnecessary reflected light generated in an optical system by illumination of an illumination unit is stored in a storage unit and the image resulting from the unnecessary reflected light is eliminated using a correction pattern in accordance with an image pickup condition.
摘要翻译： 提供了一种眼科图像拾取装置，其中通过照明单元的照明在光学系统中产生的由不需要的反射光产生的图像的图案被存储在存储单元中，并且使用以下方式消除了由不需要的反射光产生的图像 校正图案根据图像拾取条件。
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公开(公告)号：EP1235508A1
公开(公告)日：2002-09-04
申请号：EP00976606.4
申请日：2000-10-20
摘要： Wavefront aberrations in an eye are detected by illuminating the retina, receiving the light reflected by the retina and using a Hartmann-Shack detector (112) or the like to detect the aberrations. The illuminating light (102) is applied to the eye of the optical axis of the eye (A). Light reflected from the cornea and light reflected from the retina travel in different directions. The former can be blocked with a stop (108), while the latter is passed to the detector.
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14.发明公开
公开(公告)号：EP0639346A1
公开(公告)日：1995-02-22
申请号：EP94810441.9
申请日：1994-07-25
摘要： Bei der Beobachtung oder Aufnahme des Endothels (E) der Hornhaut (9) mittels eines Lichtbüschels (Io) entsteht ein starker Frontreflex (I Front ) und ein sehr viel schwächerer Reflex (I Endothel ) am Endothel (E) der Hornhaut. Bei der Beobachtung und Aufnahme eines Bildes des Endothels stört der sehr nahe liegende Frontreflex erheblich. Um diesen Nachteil zu beheben, ist eine verstellbare Blende (7) vorgesehen, welche einseitig in den Strahlengang der Abbildungsoptik eingeführt werden kann, um den Frontreflex (I Front ) abzublenden.
摘要翻译： 通过一支光线（10）观察或成像角膜（9）的内皮（E）可以在角膜内皮（E）上产生强大的前反射（Ifront）和较弱的反射（Iendothelium）。 在观察和记录内皮的图像时，非常接近的前侧反射有很大的干扰。 为了消除这个缺点，提供了一个可调节的隔膜（7），其可以在一侧插入到成像光学器件的射线路径中，以便消除前反射（Ifront）。
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公开(公告)号：EP0215566A3
公开(公告)日：1989-01-25
申请号：EP86306087.7
申请日：1986-08-06
发明人： Humphrey, William E.
摘要： A wide angle lens system of at least two, and preferably four, similar powered symmetrical component lenses (A, B, C, D) is disclosed; these lenses are from object to image, at least two paired concavo-convex lenses (A, B), and preferably two lenses of a concavo-convex or convexo-convex type (C,D). The first and last lenses are displaced and rotated usually by rotation about the object (taken as a defining aperture of the optical system, such as a portion of the cornea (20)) or its conjugate, in a first direction to use lens portions between the lens center and one edge; the intermediate lens (preferably the second and third lenses (GD)) are displaced and rotated (again usually by rotation about the image conjugate formed by the first lens) in an opposite direction to use the lens portions between the other lens edge and center. Deflected rays in the lens system utilize marginal portions of the lens between the center and one edge only; neither the non-deviating portion of the spherical lenses nor the opposite side of the spherical lenses are used. The lenses are non-concentric. Consequently, the lenses can be further minimally rotated as required for optimum flare rejection. After design for optimum displacement and rotation, lens design shape may be minimally altered to reduce aberration, dispersion and distortion with the result that lens system balance leaves only minor uniform astigmatism. This minor uniform astigmatism is corrected with a weak cylindrical lens (E), preferably placed at a conjugate to the object relative to the lens system. The lens finds preferable use in a system which projects light to an object along a first path and receives light back from the object along an immediately adjacent and second path, this reception occurring without flare. There results a wide angle system that can be composed only of spherical lenses, uses all lenses non-concentrically relative to the central field axis, has the lens elements rotated and/or translated, and presents all refractive surfaces at an angle where flare is rejected.
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公开(公告)号：EP2978365B1
公开(公告)日：2018-05-09
申请号：EP14732420.6
申请日：2014-03-28
申请人： Next Sight S.r.l.
发明人： GRIGGIO, Paola
IPC分类号： A61B3/12
CPC分类号： A61B3/12 , A61B3/0083 , A61B3/152 , A61B3/154 , A61B3/156 , G02B27/281
摘要： Ophthalmoscopic apparatus (10) having a frame (11) provided with references for the positioning of at least one of the user's eyes in an inspection position; a first optical unit (12) fixed to the frame (11) and faced to the inspection position references; a second optical unit (13) associated to the frame (11) and presenting an optical axis coincident with the optical axis of the first optical unit (12) and defining a main optical axis (A) incident in correspondence of the inspection position references; an image detecting device (14) fixed to the frame (11); a support (15) fixed to the frame (11) between the first optical unit (12) and the second optical unit (13), and having an operating part (B) permeable to the luminous radiation and intersected by the main optical axis (A); and a lighting means (16) associated to the support (15).
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17.发明公开SYSTEM AND METHOD FOR REJECTING AFOCAL LIGHT COLLECTED FROM AN IN VIVO HUMAN RETINA 审中-公开系统和方法无焦光从人体内抑制视网膜
公开(公告)号：EP2967325A1
公开(公告)日：2016-01-20
申请号：EP14770358.1
申请日：2014-03-14
申请人： Blanco, Austin , Verdooner, Steven , Biggs, David
发明人： Blanco, Austin , Verdooner, Steven , Biggs, David
CPC分类号： A61B3/156 , A61B3/0008 , A61B3/0025 , A61B3/1025 , A61B3/135 , G02B21/0004 , G02B21/0012 , G02B21/0044
摘要： A system and method for rejecting afocal light collected from an in vivo human retina is disclosed. The system may include a detector, a server system being in communication with the detector and a memory system with a rejection of collected afocal light and a disk having an optointerruptor and a motor, which is speed controlled via a non-transitory storage media. The method includes utilizing a series of optical shapes or codes, similar to other structured illumination systems, illuminating the series of optical shapes or codes several times, collecting and processing the series of optical shapes or codes yielding measurements of optical noise and optical signal and subtracting the noise and signal from the final image.
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公开(公告)号：EP2897517A1
公开(公告)日：2015-07-29
申请号：EP13837252.9
申请日：2013-09-12
申请人： Trividi Oy
发明人： POHJANEN, Petri , KAARELA, Nora , ALASIRNIÖ, Jukka
CPC分类号： A61B3/14 , A61B3/0008 , A61B3/0025 , A61B3/0091 , A61B3/113 , A61B3/12 , A61B3/156
摘要： A device is for imaging an eye and is wearable on the object to be examined or otherwise able to be placed to the front of an eye or eyes. When the device is switched on, it automatically performs the imaging such that all images are useful. The device comprises a camera arrangement with optics and a camera sensor, and an illumination arrangement. The device comprises a control arrangement that switches the camera arrangement to take automatically one or more images of the eye, when the device is in front of the eye. The device comprises an image analyzing arrangement or a connection to an image analyzing arrangement that is provided for detecting a reflection in the image taken by the camera arrangement or in the image area of the camera arrangement and for transmitting the information about the detected reflection to the control arrangement which is provided thereby to repeat or decline imaging. When repeating the imaging the control arrangement alters the parameters of imaging.
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公开(公告)号：EP2767221A4
公开(公告)日：2015-07-29
申请号：EP12845173
申请日：2012-11-01
申请人： NIDEK KK
发明人： TAKII MICHIHIRO
CPC分类号： A61B3/0008 , A61B3/12 , A61B3/14 , A61B3/152 , A61B3/156 , H04N5/2256
摘要： [Problem] To acquire an endothelial image that has ensured brightness and resolution of the image and is suitable for observation and analysis. [Solution] A corneal imaging device provided with an optical system for imaging a cornea site of the eye, the optical system including an illumination optical system for irradiating an illuminating light flux toward the cornea and a light-receiving optical system for receiving a reflected light flux from the cornea with a photodetector, the light-receiving optical system being arranged at an incline with respect to the optical axis of the illumination optical system, wherein the corneal imaging device comprises an optical limiting means for asymmetrically limiting the light flux with respect to the optical axis, the optical limiting means being provided on a light path of the optical system for imaging the cornea site of the eye.
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20.发明授权IMAGING DEVICE FOR IMAGING A FOCAL PLANE OF A TARGET WITHIN THE EYE THROUGH THE PUPIL OF THE EYE 有权IMAGING DEVICE FOR PICTURE焦平面靶在眼睛的穿过眼睛的眼球
公开(公告)号：EP1441640B1
公开(公告)日：2013-06-12
申请号：EP02798417.8
申请日：2002-10-16
发明人： ELSNER, Ann E.
CPC分类号： A61B3/156
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