WO2000030527A1 - Eye viewing device for retinal viewing through undilated pupil - Google Patents
Eye viewing device for retinal viewing through undilated pupil Download PDFInfo
- Publication number
- WO2000030527A1 WO2000030527A1 PCT/US1999/027857 US9927857W WO0030527A1 WO 2000030527 A1 WO2000030527 A1 WO 2000030527A1 US 9927857 W US9927857 W US 9927857W WO 0030527 A1 WO0030527 A1 WO 0030527A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light source
- light
- imaging
- eye
- viewing device
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
- A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
- A61B3/156—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking
- A61B3/158—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking of corneal reflection
Definitions
- This invention relates generally to medical diagnostic
- High powered light sources also have large filaments, typically larger than the diameter of an undilated pupil.
- present invention is a low input power, low cost eye viewing
- the device for use in viewing a retina.
- the device provides wide
- an eye viewing device according to the
- invention includes a converging light illumination system
- converging light illumination system provides illumination of
- illumination system enters an eye through a patient's pupil
- pupil opening such as the iris and sclera.
- an eye viewing device of the disclosure In another aspect, an eye viewing device of the disclosure
- invention includes a viewing system having an aperture stop
- An aperture stop positioned substantially conjugate
- axis operates to admit light that forms a retinal image and to
- aperture stop operates to block unwanted light both when the
- the eye viewing device is made especially well suited for
- aperture stop operates to block substantially all light
- Fig. 1A is a functional schematic diagram of an eye
- Fig. IB is a functional schematic diagram of an eye
- Fig. IC is a functional schematic diagram of an eye
- Fig. ID is a functional schematic diagram of the eye
- Fig. IE is a functional diagram of an eye viewing device
- Fig. 2 is a functional schematic diagram showing incident
- Fig. 3A is a functional schematic diagram of an
- Fig. 3B is a functional schematic diagram of an
- Fig. 3C is a functional schematic diagram of an
- Fig. 4 is a functional schematic diagram of another
- Fig. 5 is functional schematic diagram of the invention
- Fig. 6 is a physical schematic diagram illustrating
- Eye viewing device 10 includes an illumination
- Figs 1A-1E is especially well suited for
- outer eye structures such as the iris and sclera
- IE includes the combination of a converging light source
- light source illumination system operates to direct a
- the illumination system operates
- An eye viewing device having a converging light ray illumination system is positioned in an
- illumination system is positioned at about a pupil 12 of a
- a converging light ray illumination system can be any converging light ray illumination system.
- Light source 14 can be a light generating light source
- a filament-based lamp such as a filament-based lamp, an arc lamp, a fiber optic
- light source 14 is provided by a
- a light-generating light source 18 such as a laser beam
- system of the device includes objective lens 16, imaging lens
- imaging lens 22 and eyepiece lens 24 The imaging system
- lens can refer to a single optical element or a
- An operative position can also be
- retinal images can be obscured by glare
- cornea cornea glare
- a component of the eye viewing device such as a
- device 10 preferably includes features which operate to reduce such
- retinal may be incorporated to increase the percentage of retinal
- an aperture stop 32 is
- imaging lens 22 positioned forward of imaging lens 22 to block unwanted light.
- Aperture stop 32 should be positioned substantially coaxially
- imaging axis 30 substantially conjugate to a
- imaging axis 30 coaxial with imaging axis 30 encourages substantially a
- aperture stop 32 operates to block light
- the preferred position of aperture stop is also one that is
- 1E can be described as one that is substantially conjugate to
- aperture stop 32 should be sized in accordance with the
- diameter of an undilated pupil is about 2mm. Accordingly, for
- aperture 33 should be sized to correspond
- diameter of aperture 33 is determined by multiplying the pupil
- aperture stop 32 when device 10 is in an operative position, aperture stop 32
- Fig. IC illustrates incident light rays generated
- device 10 when the device is at a distance away from an
- outer eye structures 17 and 21 tend to be reflected at an
- stop 32 tends to block unwanted light and to pass light
- focal plane 28 during entry would be light rays reflected from
- light source 14 may be positioned just forward of aperture
- off -axis also reduces both internal and corneal glare.
- reflected off of lens 16 or off of cornea 15 is directed at an angle with respect to axis 30 and, therefore, away from the
- optical receive path
- Glare may be further reduced by shaping the first surface
- light source 14 is disposed directly in the field
- light source 14 provides for maximally efficient illumination of a retina 19. Positioning the light source
- Light source 14 in the embodiment of Fig. 3A-3C should be
- imaging lens 22 In general, source 14 becomes less in focus
- source 14 is positioned
- Corneal glare can be reduced in the embodiment of Figs .
- source 14 is positioned conjugate to cornea 15, many light
- rays which do happen to be reflected from cornea 15 are imaged directly onto light source 14. If light source 14 is provided
- focal plane 28 thereby reducing corneal glare.
- the objective lens 16 may
- a lens system having a focal length of about
- the eye viewing device may be configured so that the
- system is positioned about 25mm from a patient's cornea when
- the objective lens system accepts
- the objective lens has a back focal plane 26 of the objective.
- Imaging lens 22 may have a diameter of about 25mm.
- a lens system having a focal
- the imaging lens may project an
- focal plane 28 may have an aperture of about 8mm in diameter, corresponding to the focal plane diameter of a typical 2OX
- focal plane 28 may be about 160mm.
- condenser lens 20 may be
- a condenser system having a numerical aperture of
- aperture stop 32 may be positioned substantially
- Aperture stop 32 may have an aperture
- light source 14 is disposed forward of objective
- Light source 14 is
- focal plane 26 by disposing light source 14 in proximity with
- objective lens 16 In the embodiment of Fig. 4, objective
- lens 16 does not form part of the optical illumination system.
- eyepiece lens 24 may optionally be removed and
- image sensor 52 such as a CCD image sensor
- a processor which is positioned on retinal focal plane 26.
- the invention can be adapted to provide binocular viewing
- Fig. 5 a binocular eye viewing device according to the
- invention typically includes a collimating optical element 70
- optics 72 for splitting light rays transmitted by collimating optics 70 into two separate imaging paths 74A and 74B.
- Separating optics 72 typically include a combination of such
- optical elements as prisms and/or mirrors.
- binocular eye viewing device 10 may
- orientation optics 76 disposed in each
- binocular imaging path 74A, 74B for setting the orientation of
- Orientation optics 76 may include such optical elements as
- device 10" may further include decollimation optics 78 and
- eyepiece optics 80 disposed in each imaging path 74A and 74B.
- Each eyepiece optics 80 collimates light so that images can be
- eyepiece (not shown) of eyepiece
- optics 80 may be arranged in an orientation slightly diverging
- FIG. 6 Shown in Fig. 6 is a physical schematic diagram of an
- viewing device 10 includes lens holders 60, 61, 62 and 66 and
- replaceable lens modules 40, 41, 42 and 46 replaceably
- lens modules changes functional aspects of the eye viewing
- illumination system depends on the diameter and optical power
- This area corresponds to the angle ⁇ as shown in Figs. 1A and
- eye viewing device 10 images a wide
- illumination angle are desirable for ease of use. As the angle of illumination, ⁇ , becomes less steep, illumination
- from source 14 can be directed through pupil 12 over a greater
- the imaging system of device In a preferred embodiment, the imaging system of device
- This feature provides improved orientation of a
- First lens module 40 includes objective lens 16,
- second lens module 41 includes imaging lens 22. While the field of view and illumination angle depend mainly on the
- imaging lens 22 will normally be replaced
- lens modules 40, 41 are complementarily designed so that the
- modular lens modules can be manually removed and replaced from
- modules can be provided to configure the eye viewing device
- modules can provide a reduced field of view (but with
- Such a device can be
- condenser system may also be changed in a modular fashion to
- the illumination lens module 42 can be selected such that the
- illumination system matches the illumination numerical
- FIG. 6 an eye viewing device 10 is shown that can
- FIG. 6 shows an
- eye viewing device adapted so that eyepiece module 46 can be
- eyepiece lens 24 which collimates imaging light rays so that a
- Eyepiece 46 can be
- a video module 50 may contain an
- image sensor 52 such as a CCD image sensor, which is in an
- the video module is installed in holder 66.
- processor system 54 is in electrical communication with a processor system 54
- processor system 54 is
- processor system 54 could be disposed external to video
- the video module 50 may further be in
- video images captured by image sensor can be displayed or
- Video module 50 can be designed so that image sensor 52
- viewing device of the invention can be configured for video
- focal plane 28 the location of focal plane 28.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002352148A CA2352148C (en) | 1998-11-24 | 1999-11-23 | Eye viewing device for retinal viewing through undilated pupil |
AT99959085T ATE274833T1 (en) | 1998-11-24 | 1999-11-23 | EYE EXAMINATION DEVICE TO VIEW THE RETINA THROUGH AN UNDILATED PUPILL |
AU16331/00A AU768276B2 (en) | 1998-11-24 | 1999-11-23 | Eye viewing device for retinal viewing through undilated pupil |
JP2000583418A JP3905312B2 (en) | 1998-11-24 | 1999-11-23 | Visual device for retinal vision through an undilated pupil |
DE69919902T DE69919902T2 (en) | 1998-11-24 | 1999-11-23 | EYE EXAMINATION DEVICE TO VIEW THE RETINA THROUGH AN UNRIVALED PUPIL |
EP99959085A EP1152687B1 (en) | 1998-11-24 | 1999-11-23 | Eye viewing device for retinal viewing through undilated pupil |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/198,545 US6065837A (en) | 1998-11-24 | 1998-11-24 | Ophthalmoscope comprising defocused light source |
US09/198,545 | 1998-11-24 | ||
US28130099A | 1999-11-22 | 1999-11-22 | |
USNOTFURNISHED | 2002-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000030527A1 true WO2000030527A1 (en) | 2000-06-02 |
WO2000030527A8 WO2000030527A8 (en) | 2001-12-13 |
Family
ID=26893894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/027857 WO2000030527A1 (en) | 1998-11-24 | 1999-11-23 | Eye viewing device for retinal viewing through undilated pupil |
Country Status (9)
Country | Link |
---|---|
US (2) | US6527390B2 (en) |
EP (1) | EP1152687B1 (en) |
JP (1) | JP3905312B2 (en) |
CN (1) | CN1157153C (en) |
AT (1) | ATE274833T1 (en) |
AU (1) | AU768276B2 (en) |
CA (1) | CA2352148C (en) |
DE (1) | DE69919902T2 (en) |
WO (1) | WO2000030527A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2387663A (en) * | 2002-04-17 | 2003-10-22 | Roger Hanif Armour | Ophthalmoscope with baffle |
EP1433416A1 (en) * | 2002-12-27 | 2004-06-30 | Kowa Company Ltd. | Ophtalmic photographic apparatus |
GB2407395A (en) * | 2003-10-21 | 2005-04-27 | Ophthalmos Ltd | Ophthalmoscope with light baffle |
JP2005118561A (en) * | 2003-10-14 | 2005-05-12 | Carl Zeiss Ag | Lighting and observing system |
US7338167B2 (en) | 2003-12-10 | 2008-03-04 | Joslin Diabetes Center, Inc. | Retinal imaging system |
EP1289407B1 (en) * | 2000-05-23 | 2009-12-30 | Welch Allyn, Inc. | Eye viewing device comprising eyepiece and video capture optics |
US8960910B2 (en) | 2010-09-22 | 2015-02-24 | Optomed Oy | Non-mydriatic eye imaging instrument |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6718103B2 (en) * | 2000-04-17 | 2004-04-06 | Vertical Computer Systems, Inc. | Apparatus and method for transmitting images over a single-filament fiber optic cable |
CN1447146A (en) * | 2002-03-26 | 2003-10-08 | 株式会社拓普康 | Operation microscope |
JP4047217B2 (en) * | 2003-05-01 | 2008-02-13 | キヤノン株式会社 | Ophthalmic equipment |
AU2003903157A0 (en) * | 2003-06-20 | 2003-07-03 | The Lions Eye Institute of Western Australia Incorporated The | Ophthalmic camera and ophthalmic camera adaptor |
DE602004020505D1 (en) * | 2003-10-28 | 2009-05-20 | Welch Allyn Inc | DIGITAL DOCUMENT OPHTHALMOSCOPE |
US7708403B2 (en) | 2003-10-30 | 2010-05-04 | Welch Allyn, Inc. | Apparatus and method for diagnosis of optically identifiable ophthalmic conditions |
US20050285056A1 (en) * | 2004-06-11 | 2005-12-29 | Smith Adlai H | Process for manufacture of semiconductor chips utilizing a posteriori corrections to machine control system and settings |
US20070156021A1 (en) * | 2005-09-14 | 2007-07-05 | Bradford Morse | Remote imaging apparatus having an adaptive lens |
US8027095B2 (en) * | 2005-10-11 | 2011-09-27 | Hand Held Products, Inc. | Control systems for adaptive lens |
US20080145127A1 (en) * | 2006-10-10 | 2008-06-19 | Hang Yu Liu | Book-shaped, back-typing, ergonomic computer keyboard |
DE102009024942A1 (en) * | 2009-06-09 | 2010-12-23 | Carl Zeiss Surgical Gmbh | Light source arrangement for a lighting device of a medical-optical observation device |
US8786210B2 (en) | 2010-06-30 | 2014-07-22 | Welch Allyn, Inc. | Drive circuit for light emitting diode |
CN102525404B (en) * | 2010-11-05 | 2015-09-30 | 尼德克株式会社 | Ophthalmoligic instrument |
DE102011085527B4 (en) * | 2011-10-31 | 2019-01-17 | Leica Microsystems (Schweiz) Ag | Illumination device for a stereomicroscope, in particular a surgical microscope |
AU2012335072B2 (en) | 2011-11-09 | 2016-09-08 | Welch Allyn, Inc. | Digital-based medical devices |
US9060718B2 (en) | 2012-02-13 | 2015-06-23 | Massachusetts Institute Of Technology | Methods and apparatus for retinal imaging |
US9179840B2 (en) * | 2012-03-17 | 2015-11-10 | Visunex Medical Systems Co. Ltd. | Imaging and lighting optics of a contact eye camera |
FI125445B (en) * | 2012-09-12 | 2015-10-15 | Trividi Oy | Blick Control Device |
US10078226B2 (en) | 2013-10-14 | 2018-09-18 | Welch Allyn, Inc. | Portable eye viewing device enabled for enhanced field of view |
CN104523221A (en) * | 2014-12-17 | 2015-04-22 | 严俊文 | Eye ground camera imaging system based on liquid lens focusing |
JP6862086B2 (en) * | 2015-12-02 | 2021-04-21 | 興和株式会社 | Eye device |
US10585291B2 (en) * | 2017-04-28 | 2020-03-10 | Yonatan Gerlitz | Eye safety system for lasers |
JP6874832B2 (en) * | 2017-04-28 | 2021-05-19 | 株式会社ニコン | Ophthalmic imaging optical system, ophthalmic imaging device, ophthalmic image acquisition method and ophthalmic image system |
US11147441B2 (en) | 2018-01-16 | 2021-10-19 | Welch Allyn, Inc. | Physical assessment device |
US11202567B2 (en) * | 2018-07-16 | 2021-12-21 | Verily Life Sciences Llc | Retinal camera with light baffle and dynamic illuminator for expanding eyebox |
CN115845269B (en) * | 2022-12-19 | 2024-04-02 | 光朗(海南)生物科技有限责任公司 | Illumination physiotherapy device for eyes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586424A (en) * | 1968-09-13 | 1971-06-22 | American Optical Corp | Monocular indirect ophthalmoscope |
US4252420A (en) * | 1977-04-12 | 1981-02-24 | Canon Kabushiki Kaisha | Ophthalmoscopical apparatus provided with adjustment system |
US4682866A (en) * | 1984-11-08 | 1987-07-28 | David Volk | Head-borne binocular indirect ophthalmoscope with integrated telescope |
US4721378A (en) * | 1985-09-24 | 1988-01-26 | David Volk | Condensing-image forming optical system for indirect ophthalmoscopy |
US4856872A (en) * | 1986-03-14 | 1989-08-15 | Oculus Optikgeraete Gmbh | Attachment for microscopes |
Family Cites Families (103)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638641A (en) | 1969-11-19 | 1972-02-01 | Arcoa Inc | Multiphasic medical examinations screening laboratory construction |
US3600098A (en) * | 1969-12-29 | 1971-08-17 | Bausch & Lomb | Optical alignment method and apparatus |
US3614214A (en) | 1970-09-09 | 1971-10-19 | Stanford Research Inst | Method and system for taking photographs of an eye fundus |
US3698099A (en) | 1971-01-29 | 1972-10-17 | American Optical Corp | Ophthalmoscopes |
JPS5225252B2 (en) | 1972-09-16 | 1977-07-06 | ||
US3944341A (en) | 1972-09-25 | 1976-03-16 | Retina Foundation | Wide-angle ophthalmoscope and fundus camera |
US4265519A (en) | 1972-09-25 | 1981-05-05 | Retina Foundation | Wide-angle ophthalmoscope |
JPS49136227U (en) | 1973-03-22 | 1974-11-22 | ||
JPS5713294B2 (en) | 1973-03-31 | 1982-03-16 | ||
US3893447A (en) | 1973-06-04 | 1975-07-08 | Univ Johns Hopkins | Simultaneous angiography of the separate retinal and choroidal circulations |
US4023189A (en) | 1974-03-29 | 1977-05-10 | Varian Associates | Wide angle fundus illumination and photography apparatus |
JPS5343277B2 (en) | 1974-06-19 | 1978-11-17 | ||
US3915564A (en) | 1974-09-12 | 1975-10-28 | Zeiss Stiftung | Retinal image-display system |
US4135791A (en) | 1974-12-02 | 1979-01-23 | Varian Associates, Inc. | Reduced glare scanner |
US4026638A (en) | 1974-12-02 | 1977-05-31 | Varian Associates | Reduced glare scanner |
US4068932A (en) | 1975-05-23 | 1978-01-17 | Canon Kabushiki Kaisha | Optical instrument for examining the eye fundus |
US4102563A (en) | 1975-12-01 | 1978-07-25 | Canon Kabushiki Kaisha | Eye fundus camera free from undesired reflected and diffused light beams |
JPS6057853B2 (en) | 1975-12-08 | 1985-12-17 | キヤノン株式会社 | fundus camera |
JPS5282246A (en) | 1975-12-27 | 1977-07-09 | Olympus Optical Co Ltd | Light source device |
JPS52108123A (en) | 1976-03-09 | 1977-09-10 | Canon Inc | Ophthalmofundus camera |
US4198144A (en) | 1976-04-01 | 1980-04-15 | Canon Kabushiki Kaisha | Eye fundus camera |
US4201456A (en) | 1976-04-22 | 1980-05-06 | Wolbarsht Myron L | Method and apparatus for detecting the focusing condition of an optical system |
JPS52141094A (en) | 1976-05-19 | 1977-11-25 | Canon Kk | Dental wide angle objective lens |
JPS52150645A (en) | 1976-06-09 | 1977-12-14 | Canon Inc | Objective lens for opthalmology |
US4095379A (en) | 1976-07-19 | 1978-06-20 | Joel Weintraub | Multi-examining space arrangement for a rotatable ophthalmic table or the like |
US4196979A (en) | 1976-10-16 | 1980-04-08 | Canon Kabushiki Kaisha | Method and device for detecting distance between eye-examining instrument and eye |
US4187014A (en) | 1977-01-29 | 1980-02-05 | Tokyo Kogaku Kikai Kabushiki Kaisha | Eye fundus camera |
US4253743A (en) | 1977-05-17 | 1981-03-03 | Canon Kabushiki Kaisha | Eye testing instrument |
JPS53144192A (en) | 1977-05-19 | 1978-12-15 | Canon Kk | Ophthalmolgic decice |
JPS53144193A (en) | 1977-05-20 | 1978-12-15 | Canon Kk | Ophthalmologic machine having operating distance detector |
JPS5412194A (en) | 1977-06-29 | 1979-01-29 | Canon Kk | Ophthalmologic instrument |
US4265518A (en) | 1977-06-30 | 1981-05-05 | Canon Kabushiki Kaisha | Variable magnification apparatus having illumination compensating ability |
JPS5418190A (en) | 1977-07-11 | 1979-02-09 | Canon Kk | Eyeeground observing camera |
JPS5430695A (en) | 1977-08-09 | 1979-03-07 | Canon Kk | Variable angular ophthalmologic device |
DE2741992C3 (en) | 1977-09-17 | 1980-10-30 | Fa. Carl Zeiss, 7920 Heidenheim | Ophthalmological device for examination and photographic fundus |
DE2843287A1 (en) | 1977-10-05 | 1979-04-19 | Canon Kk | EYE EXAMINATION INSTRUMENT |
DE2744707C3 (en) | 1977-10-05 | 1980-07-24 | Fa. Carl Zeiss, 7920 Heidenheim | Ophthalmological device for stereoscopic examination and photographic fundus |
JPS6054053B2 (en) | 1977-11-15 | 1985-11-28 | ミノルタ株式会社 | Fundus camera for easy pupil alignment |
JPS5491997A (en) | 1977-12-28 | 1979-07-20 | Nippon Chemical Ind | Optical system for correcting visual power with internal focus |
US4184752A (en) | 1978-04-07 | 1980-01-22 | American Optical Corporation | Instrument illuminator |
DE2915639C2 (en) | 1978-04-19 | 1988-06-16 | Canon K.K., Tokio/Tokyo | Eye examination device for examining the fundus |
JPS54141095A (en) | 1978-04-25 | 1979-11-01 | Canon Kk | Ophthalmologic camera |
US4235540A (en) | 1978-05-10 | 1980-11-25 | Tokyo Kogaku Kikai Kabushiki Kaisha | Eye fundus camera having variable power photographing optical system |
JPS54147690A (en) | 1978-05-12 | 1979-11-19 | Minolta Camera Kk | Eyeground photometry optical system |
JPS6051094B2 (en) | 1978-08-15 | 1985-11-12 | キヤノン株式会社 | Optical system with movable focusing lens group |
US4238142A (en) | 1978-12-18 | 1980-12-09 | American Optical Corporation | Method and apparatus for examining and photographing the ocular fundus |
US4257691A (en) | 1979-01-05 | 1981-03-24 | Brooks Philip A | Line of sight display apparatus |
JPS55101241A (en) | 1979-01-30 | 1980-08-01 | Tokyo Optical | Eyeground camera equipped with operation distance detector |
JPS55106137A (en) | 1979-02-09 | 1980-08-14 | Tokyo Optical | Counter photographing apparatus in fluorescence photograph eyeground camera |
JPS55133239A (en) | 1979-04-05 | 1980-10-16 | Olympus Optical Co | Microscope for blood vessel |
US4249825A (en) | 1979-05-14 | 1981-02-10 | The Trustees Of Boston University | Method and apparatus suitable for ocular blood flow analysis |
JPS565637A (en) | 1979-06-28 | 1981-01-21 | Tokyo Optical | Operation distance detector in ophthalmology machine |
JPS5631732A (en) | 1979-08-24 | 1981-03-31 | Canon Kk | Automatic focus adjusting camera |
GB2061546B (en) | 1979-09-13 | 1983-06-29 | Konan Camera Res Inst | Adaptor for use with ophthalmological microscope |
JPS5691729A (en) | 1979-12-25 | 1981-07-24 | Nippon Chemical Ind | Optical system for examinating and photographing eyeground |
JPS56132936A (en) | 1980-03-21 | 1981-10-17 | Tokyo Optical | Eye bottom camera |
JPS56148337A (en) | 1980-04-22 | 1981-11-17 | Olympus Optical Co | Eye bottom camera |
JPS56151929A (en) | 1980-04-25 | 1981-11-25 | Canon Inc | Fundus camera |
JPS56166832A (en) | 1980-05-08 | 1981-12-22 | Olympus Optical Co | Optical system of ophthalmic machine |
JPS573622A (en) | 1980-06-10 | 1982-01-09 | Tokyo Optical | Apparatus for detecting operation distance in ophthalmology |
US4712894A (en) | 1980-09-24 | 1987-12-15 | Tokyo Kogaku Kikai Kabushiki Kaisha | Ophthalmoscopic instrument having working position detecting means |
JPS5772625A (en) | 1980-09-24 | 1982-05-07 | Tokyo Optical | Ophthalmology machine equipped with apparatus for automatically detecting correct position of eye to be inspected |
JPS5784036A (en) | 1980-11-14 | 1982-05-26 | Tokyo Optical | Apparatus for detecting correct position in ophthalmic machine |
JPS57125732A (en) | 1981-01-29 | 1982-08-05 | Tokyo Optical | Apparatus for detecting focus position in ophthalmic machine |
US4799783A (en) | 1981-03-09 | 1989-01-24 | Canon Kabushiki Kaisha | Eye fundus camera |
JPS57160430A (en) | 1981-03-27 | 1982-10-02 | Nippon Kogaku Kk | Apparatus for observing eye bottom |
US4469416A (en) | 1981-04-24 | 1984-09-04 | Tokyo Kogaku Kikai Kabushiki Kaisha | Automatic focusing means for an ophthalmoscopic instrument |
JPS57200126A (en) | 1981-06-04 | 1982-12-08 | Nippon Kogaku Kk | Self-knowledge eye refractive force measuring apparatus |
US4453808A (en) | 1981-06-25 | 1984-06-12 | Tokyo Kogaku Kikai Kabushiki Kaisha | Apparatus for detecting the position of a patient's eye in ophthalmologic instruments |
US4572627A (en) | 1981-11-21 | 1986-02-25 | Canon Kabushiki Kaisha | Eye fundus camera |
JPS58152535A (en) | 1982-03-05 | 1983-09-10 | キヤノン株式会社 | Optical apparatus having focusing function |
US4485820A (en) | 1982-05-10 | 1984-12-04 | The Johns Hopkins University | Method and apparatus for the continuous monitoring of hemoglobin saturation in the blood of premature infants |
US4464608A (en) | 1982-09-13 | 1984-08-07 | Warner Lambert Technologies, Inc. | Circuit for controlling optical apparatus such as an ophthalmoscope |
JPS5949738A (en) | 1982-09-16 | 1984-03-22 | 株式会社トプコン | Photographing mode change-over apparatus of eye bottom camera |
JPS5949737A (en) | 1982-09-16 | 1984-03-22 | 株式会社トプコン | Illumination apparatus of eye bottom camera |
JPS5953005U (en) | 1982-09-28 | 1984-04-07 | 旭光学工業株式会社 | Illumination optical axis adjustment mechanism of ophthalmoscope with imaging device |
US4715703A (en) | 1982-10-12 | 1987-12-29 | Rodenstock Instrument Corporation | Ocular-fundus analyzer |
JPS59156324A (en) | 1983-02-25 | 1984-09-05 | 株式会社トプコン | Signal detector of ophthalmic machine |
JPS59174144A (en) | 1983-03-22 | 1984-10-02 | キヤノン株式会社 | Ophthalmic photographing apparatus |
JPS59189826A (en) | 1983-04-13 | 1984-10-27 | 株式会社トプコン | Retinal camera |
JPS6060831A (en) | 1983-09-14 | 1985-04-08 | 株式会社トプコン | Eyeground camera |
JPS6066725A (en) | 1983-09-20 | 1985-04-16 | 株式会社トプコン | Opthalimic photographing apparatus |
JPS6077737A (en) | 1983-10-04 | 1985-05-02 | 株式会社トプコン | Exposure controller of ophthalmic photographing apparatus |
DE3339172A1 (en) | 1983-10-28 | 1985-05-15 | Fa. Carl Zeiss, 7920 Heidenheim | LIGHT TRAP FOR EYE EXAMINATION DEVICES |
JPS60137347A (en) | 1983-12-27 | 1985-07-20 | キヤノン株式会社 | Automatic exposure amount control eyeground camera |
US4755043A (en) | 1985-02-15 | 1988-07-05 | Somec, Inc. | Portable scanning digital pupillometer and method of use thereof |
US4812033A (en) | 1985-02-26 | 1989-03-14 | Canon Kabushiki Kaisha | Ophthalmic apparatus |
US4732466A (en) | 1985-04-04 | 1988-03-22 | Humphrey Instruments, Inc. | Fundus camera |
US4717952A (en) | 1985-06-14 | 1988-01-05 | Canon Kabushiki Kaisha | Medical television system |
US4755044A (en) | 1986-01-06 | 1988-07-05 | Massachusetts Institute Of Technology | Remote ophthalmoscope and fundus photography unit |
US4998533A (en) | 1986-07-15 | 1991-03-12 | Winkelman James W | Apparatus and method for in vivo analysis of red and white blood cell indices |
US4991584A (en) | 1986-10-25 | 1991-02-12 | Canon Kabushiki Kaisha | Ophthalmic examining apparatus and method capable of examining glaucoma |
JP2561828B2 (en) | 1987-01-26 | 1996-12-11 | キヤノン株式会社 | Fundus examination device |
US4856891A (en) * | 1987-02-17 | 1989-08-15 | Eye Research Institute Of Retina Foundation | Eye fundus tracker/stabilizer |
US4824238A (en) | 1987-05-27 | 1989-04-25 | George L. Spaeth | Comparator for optic disc analysis and method of use thereof |
US5037194A (en) | 1988-05-31 | 1991-08-06 | Canon Kabushiki Kaisha | Ophthalmologic apparatus and method of compounding the image of an eye to be examined |
US4927260A (en) | 1988-10-11 | 1990-05-22 | Orville Gordon | Apparatus and method for the precision evaluation of visual function in the fovea centralis (macula) area of the retina |
JP2927445B2 (en) | 1989-04-14 | 1999-07-28 | 株式会社トプコン | Stereoscopic fundus camera |
US5216456A (en) * | 1990-10-29 | 1993-06-01 | Volk Donald A | Optical device for use with a slit lamp biomicroscope |
GB9323065D0 (en) * | 1993-11-09 | 1994-01-05 | Besca Ltd | A wide field retinal scanning ophthalmoscope |
DE29601263U1 (en) * | 1996-01-25 | 1997-05-28 | Moeller J D Optik | Illumination device for a surgical microscope |
US5873832A (en) * | 1996-08-12 | 1999-02-23 | Xeyex Corporation | Method and apparatus for measuring properties of the eye using a virtual image |
US6151167A (en) | 1998-08-05 | 2000-11-21 | Microvision, Inc. | Scanned display with dual signal fiber transmission |
-
1999
- 1999-11-23 CN CNB998135844A patent/CN1157153C/en not_active Expired - Fee Related
- 1999-11-23 JP JP2000583418A patent/JP3905312B2/en not_active Expired - Fee Related
- 1999-11-23 WO PCT/US1999/027857 patent/WO2000030527A1/en active IP Right Grant
- 1999-11-23 DE DE69919902T patent/DE69919902T2/en not_active Expired - Lifetime
- 1999-11-23 CA CA002352148A patent/CA2352148C/en not_active Expired - Fee Related
- 1999-11-23 AU AU16331/00A patent/AU768276B2/en not_active Ceased
- 1999-11-23 EP EP99959085A patent/EP1152687B1/en not_active Expired - Lifetime
- 1999-11-23 AT AT99959085T patent/ATE274833T1/en not_active IP Right Cessation
-
2001
- 2001-12-27 US US10/033,557 patent/US6527390B2/en not_active Expired - Fee Related
-
2003
- 2003-01-07 US US10/337,588 patent/US6939006B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586424A (en) * | 1968-09-13 | 1971-06-22 | American Optical Corp | Monocular indirect ophthalmoscope |
US4252420A (en) * | 1977-04-12 | 1981-02-24 | Canon Kabushiki Kaisha | Ophthalmoscopical apparatus provided with adjustment system |
US4682866A (en) * | 1984-11-08 | 1987-07-28 | David Volk | Head-borne binocular indirect ophthalmoscope with integrated telescope |
US4721378A (en) * | 1985-09-24 | 1988-01-26 | David Volk | Condensing-image forming optical system for indirect ophthalmoscopy |
US4856872A (en) * | 1986-03-14 | 1989-08-15 | Oculus Optikgeraete Gmbh | Attachment for microscopes |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1289407B1 (en) * | 2000-05-23 | 2009-12-30 | Welch Allyn, Inc. | Eye viewing device comprising eyepiece and video capture optics |
GB2387663A (en) * | 2002-04-17 | 2003-10-22 | Roger Hanif Armour | Ophthalmoscope with baffle |
WO2003088828A1 (en) | 2002-04-17 | 2003-10-30 | Ophthalmos Limited | Lens-free ophthalmoscope |
GB2387663B (en) * | 2002-04-17 | 2005-10-12 | Roger Hanif Armour | Ophthalmoscope |
EP1433416A1 (en) * | 2002-12-27 | 2004-06-30 | Kowa Company Ltd. | Ophtalmic photographic apparatus |
JP2005118561A (en) * | 2003-10-14 | 2005-05-12 | Carl Zeiss Ag | Lighting and observing system |
GB2407395A (en) * | 2003-10-21 | 2005-04-27 | Ophthalmos Ltd | Ophthalmoscope with light baffle |
GB2407395B (en) * | 2003-10-21 | 2008-03-05 | Ophthalmos Ltd | Ophthalmoscope |
US7338167B2 (en) | 2003-12-10 | 2008-03-04 | Joslin Diabetes Center, Inc. | Retinal imaging system |
US8960910B2 (en) | 2010-09-22 | 2015-02-24 | Optomed Oy | Non-mydriatic eye imaging instrument |
Also Published As
Publication number | Publication date |
---|---|
US6527390B2 (en) | 2003-03-04 |
CN1328431A (en) | 2001-12-26 |
AU1633100A (en) | 2000-06-13 |
JP3905312B2 (en) | 2007-04-18 |
DE69919902D1 (en) | 2004-10-07 |
US6939006B2 (en) | 2005-09-06 |
US20020089644A1 (en) | 2002-07-11 |
CN1157153C (en) | 2004-07-14 |
US20030098952A1 (en) | 2003-05-29 |
CA2352148A1 (en) | 2000-06-02 |
DE69919902T2 (en) | 2005-09-15 |
CA2352148C (en) | 2008-01-15 |
ATE274833T1 (en) | 2004-09-15 |
EP1152687B1 (en) | 2004-09-01 |
AU768276B2 (en) | 2003-12-04 |
WO2000030527A8 (en) | 2001-12-13 |
EP1152687A1 (en) | 2001-11-14 |
JP2004500139A (en) | 2004-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2352148C (en) | Eye viewing device for retinal viewing through undilated pupil | |
US6637882B1 (en) | Eye viewing device for retinal viewing through undilated pupil | |
AU2001263366A1 (en) | Eye viewing device comprising eyepiece and video capture optics | |
US6409341B1 (en) | Eye viewing device for retinal viewing through undilated pupil | |
EP1694195B1 (en) | Digital documenting ophthalmoscope | |
JP5658371B2 (en) | Apparatus and method for imaging the eye | |
US6065837A (en) | Ophthalmoscope comprising defocused light source | |
JP3309615B2 (en) | Image observation apparatus and binocular image observation apparatus using the same | |
US7907336B2 (en) | Surgical microscope having an illuminating arrangement | |
JPH0838431A (en) | Device for eyegrounds illumination | |
CN212483980U (en) | Multi-position stereoscopic vision multi-wavelength video ophthalmic surgery microscope | |
CN212781476U (en) | Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device | |
JPH0898812A (en) | Retinal camera | |
CN111665618A (en) | Multi-position stereoscopic vision multi-wavelength video ophthalmic surgery microscope | |
JPH10314120A (en) | Fundus camera | |
JPH11290277A (en) | Fundus camera |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 99813584.4 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 2000 16331 Country of ref document: AU Kind code of ref document: A |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 16331/00 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1999959085 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2352148 Country of ref document: CA Ref document number: 2352148 Country of ref document: CA Kind code of ref document: A Ref document number: 2000 583418 Country of ref document: JP Kind code of ref document: A |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1999959085 Country of ref document: EP |
|
AK | Designated states |
Kind code of ref document: C1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: C1 Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
CFP | Corrected version of a pamphlet front page | ||
CR1 | Correction of entry in section i |
Free format text: PAT. BUL. 22/2000 UNDER (30) REPLACE "REF: 281-300 (CIP)" BY "NOT FURNISHED" |
|
WWG | Wipo information: grant in national office |
Ref document number: 16331/00 Country of ref document: AU |
|
WWG | Wipo information: grant in national office |
Ref document number: 1999959085 Country of ref document: EP |