WO2001089374A2 - Eye viewing device comprising eyepiece and video capture optics - Google Patents
Eye viewing device comprising eyepiece and video capture optics Download PDFInfo
- Publication number
- WO2001089374A2 WO2001089374A2 PCT/US2001/016557 US0116557W WO0189374A2 WO 2001089374 A2 WO2001089374 A2 WO 2001089374A2 US 0116557 W US0116557 W US 0116557W WO 0189374 A2 WO0189374 A2 WO 0189374A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- module
- housing
- eye viewing
- holder
- 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
-
- 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
Definitions
- This invention relates generally to medical diagnostic instruments, and specifically to an eye viewing device for use in retinal viewing.
- the present invention is a low input power, low cost eye viewing device for use in viewing a retina.
- the illumination and imaging assemblies of the invention are at least partially disposed in a housing, and formed at an observer end of the housing is a holder which replaceably receives a viewing module.
- the viewing module replaceably received by the eyepiece optics elements holder of the housing may comprise eyepiece optics, image signal generating elements, or combined eyepiece optics and image signal generating elements.
- an eye viewing device of the invention includes a viewing system having an aperture stop positioned substantially conjugate to a patient's pupil and substantially coaxial with an imaging axis of the viewing system.
- An aperture stop positioned substantially conjugate to a patient's pupil and substantially coaxial with an imaging axis operates to admit light that forms a retinal image and to block light that does not form the retinal image.
- the aperture stop operates to block unwanted light both when the device is positioned forward of an operative position and when the device is in an operative position.
- the aperture stop thereby reduces glare and improves image quality both during entry of the device into an eye (when the device is being maneuvered into an operative position) and during retinal viewing (when the device is in an operative position) .
- the eye viewing device is made especially well suited for retinal viewing through an undilated eye by sizing the aperture of the aperture stop in accordance with the diameter of a pupil of an undilated eye.
- the aperture stop operates to block substantially all light reflected from eye structures outside the diameter of a pupil (such as the iris and sclera) .
- glare can be reduced by disposing linear polarizers in the imaging and illumination paths in a crossed configuration.
- a binocular eye viewing device As seen in Fig. 5, a binocular eye viewing device
- eye tubes (not shown) of eyepiece optics 80 may be arranged in an
- illumination becomes less steep, illumination light rays are more easily directed into an eye through a
- module 42 can be selected such that the illumination
- control image sensor 52 may be programmed to control image sensor 52 and to
- viewing modules described herein having an image sensor 52 is located external to the module but inside housing
- connectors 85 in the embodiment of Fig. 61 may be
- processor system receiving image signals from image sensor 52 in
- module holder 66 contains a built-in
- Image sensor 52 is in communication with processor
- processor system external to module and housing 44.
- One type of external display which may be in electrical communication with viewing module having a video processor system is a head mounted display assembly 57
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60140938T DE60140938D1 (en) | 2000-05-23 | 2001-05-22 | OKULAR AND PICTURE OPTICS CONTAINING EYE DEVICE |
CA002409596A CA2409596A1 (en) | 2000-05-23 | 2001-05-22 | Eye viewing device comprising eyepiece and video capture optics |
EP01937653A EP1289407B1 (en) | 2000-05-23 | 2001-05-22 | Eye viewing device comprising eyepiece and video capture optics |
AU2001263366A AU2001263366B2 (en) | 2000-05-23 | 2001-05-22 | Eye viewing device comprising eyepiece and video capture optics |
AT01937653T ATE453358T1 (en) | 2000-05-23 | 2001-05-22 | EYE DEVICE CONTAINING EYE DEVICE AND IMAGE RECORDING OPTICS |
AU6336601A AU6336601A (en) | 2000-05-23 | 2001-05-23 | Eye viewing device comprising eyepiece and video capture optics |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20635600P | 2000-05-23 | 2000-05-23 | |
US60/206,356 | 2000-05-23 | ||
US09/783,481 | 2001-02-14 | ||
US09/783,481 US6637882B1 (en) | 1998-11-24 | 2001-02-14 | Eye viewing device for retinal viewing through undilated pupil |
US09/862,636 US7311401B2 (en) | 1998-11-24 | 2001-05-22 | Eye viewing device comprising eyepiece and video capture optics |
US09/862,636 | 2001-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001089374A2 true WO2001089374A2 (en) | 2001-11-29 |
WO2001089374A3 WO2001089374A3 (en) | 2002-04-04 |
Family
ID=27394923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/016557 WO2001089374A2 (en) | 2000-05-23 | 2001-05-22 | Eye viewing device comprising eyepiece and video capture optics |
Country Status (8)
Country | Link |
---|---|
US (5) | US6637882B1 (en) |
EP (1) | EP1289407B1 (en) |
AT (1) | ATE453358T1 (en) |
AU (2) | AU2001263366B2 (en) |
CA (1) | CA2409596A1 (en) |
DE (1) | DE60140938D1 (en) |
ES (1) | ES2337444T3 (en) |
WO (1) | WO2001089374A2 (en) |
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- 2001-05-22 WO PCT/US2001/016557 patent/WO2001089374A2/en active Application Filing
- 2001-05-22 CA CA002409596A patent/CA2409596A1/en not_active Abandoned
- 2001-05-22 EP EP01937653A patent/EP1289407B1/en not_active Expired - Lifetime
- 2001-05-22 AT AT01937653T patent/ATE453358T1/en not_active IP Right Cessation
- 2001-05-22 ES ES01937653T patent/ES2337444T3/en not_active Expired - Lifetime
- 2001-05-22 DE DE60140938T patent/DE60140938D1/en not_active Expired - Lifetime
- 2001-05-22 AU AU2001263366A patent/AU2001263366B2/en not_active Ceased
- 2001-05-22 US US09/862,636 patent/US7311401B2/en not_active Expired - Fee Related
- 2001-05-23 AU AU6336601A patent/AU6336601A/en active Pending
-
2003
- 2003-09-25 US US10/671,645 patent/US20040119941A1/en not_active Abandoned
-
2007
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2010
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Also Published As
Publication number | Publication date |
---|---|
US6637882B1 (en) | 2003-10-28 |
US20020097379A1 (en) | 2002-07-25 |
EP1289407B1 (en) | 2009-12-30 |
AU6336601A (en) | 2001-12-03 |
ATE453358T1 (en) | 2010-01-15 |
US20040119941A1 (en) | 2004-06-24 |
DE60140938D1 (en) | 2010-02-11 |
US20100231856A1 (en) | 2010-09-16 |
EP1289407A2 (en) | 2003-03-12 |
AU2001263366B2 (en) | 2006-08-24 |
US7784940B2 (en) | 2010-08-31 |
ES2337444T3 (en) | 2010-04-26 |
US8337017B2 (en) | 2012-12-25 |
WO2001089374A3 (en) | 2002-04-04 |
US7311401B2 (en) | 2007-12-25 |
US20080030683A1 (en) | 2008-02-07 |
CA2409596A1 (en) | 2001-11-29 |
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