WO2000030527A8 - Eye viewing device for retinal viewing through undilated pupil - Google Patents

Eye viewing device for retinal viewing through undilated pupil

Info

Publication number
WO2000030527A8
WO2000030527A8 PCT/US1999/027857 US9927857W WO0030527A8 WO 2000030527 A8 WO2000030527 A8 WO 2000030527A8 US 9927857 W US9927857 W US 9927857W WO 0030527 A8 WO0030527 A8 WO 0030527A8
Authority
WO
WIPO (PCT)
Prior art keywords
viewing
retinal
undilated pupil
eye
undilated
Prior art date
Application number
PCT/US1999/027857
Other languages
French (fr)
Other versions
WO2000030527A1 (en
Inventor
Ervin Goldfain
William Lagerway
Chris R Roberts
Steven R Slawson
Allan I Krauter
Original Assignee
Welch Allyn Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/198,545 external-priority patent/US6065837A/en
Application filed by Welch Allyn Inc filed Critical Welch Allyn Inc
Priority to CA002352148A priority Critical patent/CA2352148C/en
Priority to AT99959085T priority patent/ATE274833T1/en
Priority to AU16331/00A priority patent/AU768276B2/en
Priority to JP2000583418A priority patent/JP3905312B2/en
Priority to DE69919902T priority patent/DE69919902T2/en
Priority to EP99959085A priority patent/EP1152687B1/en
Publication of WO2000030527A1 publication Critical patent/WO2000030527A1/en
Publication of WO2000030527A8 publication Critical patent/WO2000030527A8/en

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

Abstract

The invention is a low cost, low input power eye viewing device well suited for viewing wide field retinal images through an undilated pupil. Included in the device are a converging light illumination system and an aperture stop. The converging light illumination system provides ease of entry of light rays into an eye, wide field retinal illumination, reduced glare and reduced power consumption. The aperture stop blocks unwanted received glare light not forming part of the retinal image. The device is made especially well suited for retinal viewing through an undilated pupil if the aperture is sized in accordance with the diameter of an undilated pupil.
PCT/US1999/027857 1998-11-24 1999-11-23 Eye viewing device for retinal viewing through undilated pupil WO2000030527A1 (en)

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 WO2000030527A1 (en) 2000-06-02
WO2000030527A8 true 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)

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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
WO2000030527A1 (en) 2000-06-02
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
EP1152687A1 (en) 2001-11-14
JP2004500139A (en) 2004-01-08

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