US5037194A
Expired / Lapsed
US
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Ophthalmologic apparatus and method of compounding the image of an eye to be examined
Assignee: Canon Inc
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Filing: 1989-05-31
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Granted: 1991-08-06
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Expires: 2009-05-31
Abstract
Abstract An ophthalmologic apparatus characterized by the provision of a device for introducing thereinto an eye fundus image at a point in time earlier than the point in time of view field measurment, a device for measuring the field of view of an eye to be examined, and a device for superposing the introduced eye fundus image and the output of the view field measuring a device, one upon the other, and compounding them.
Inventors
- 👤 Yoshimi Kohayakawa
- 👤 Kenichi Kashiwagi
- 👤 Isao Matsumura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/12; A61B3/02; A61B3/024
Claims Analysis
Total Claims: 49
Claim 1
Independent Claim
103 words
An ophthalmologic image compound apparatus, comprising: first input means for introducing an eye fundus image photographed previous to a view field measurement; second input means for introducing data of the view field of an eye to be examined by means of a view field measuring means; correction means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and the view field measuring data are in a one-to-one correspondence with each other; and compound means for compounding corrected eye fundus image and view field measuring data corrected by said correction means.
Claim 2
Dependent Claim
103 words
An ophthalmologic image compound apparatus, comprising: first input means for introducing an eye fundus image photographed previous to a view field measurement; second input means for introducing data of the view field of an eye to be examined by means of a view field measuring means; correction means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and the view field measuring data are in a one-to-one correspondence with each other; and compound means for compounding corrected eye fundus image and view field measuring data corrected by said correction means.
Claim 3
Dependent Claim
24 words
An ophthalmologic image compound apparatus according to claim 1, wherein: said correction means includes means for correcting at least one of magnification and distortion.
Claim 4
Dependent Claim
22 words
An ophthalmologic image compound apparatus according to claim 1, wherein: said compound means includes an optical system for optically compounding said data.
Claim 5
Dependent Claim
22 words
An ophthalmologic image compound apparatus according to claim 1, wherein: said compound means includes a compound circuit for electrically compounding said data.
Claim 6
Dependent Claim
27 words
An ophthalmologic image compound apparatus according to claim 1, wherein: said eye fundus image is a visible eye fundus image photographed under the application of visible light.
Claim 7
Dependent Claim
116 words
An ophthalmologic image compound method, comprising: an eye fundus image input step for introducing an eye fundus image photographed previous to a view field measurement into an apparatus; a view field data input step for introducing data of the view field on an eye to be examined by means of a view field measuring means into the apparatus; a correction step for correcting at least one of said eye fundus image and said eye field measuring data so that said eye fundus image and said view field measuring data are in one-to-one correspondence with each other; and a compound step for compounding corrected eye fundus image and view field measuring data corrected by said correction means.
Claim 8
Dependent Claim
116 words
An ophthalmologic image compound method, comprising: an eye fundus image input step for introducing an eye fundus image photographed previous to a view field measurement into an apparatus; a view field data input step for introducing data of the view field on an eye to be examined by means of a view field measuring means into the apparatus; a correction step for correcting at least one of said eye fundus image and said eye field measuring data so that said eye fundus image and said view field measuring data are in one-to-one correspondence with each other; and a compound step for compounding corrected eye fundus image and view field measuring data corrected by said correction means.
Claim 9
Dependent Claim
21 words
An ophthalmologic image compound method according to claim 6, wherein: said correction step corrects at least one of magnification and distortion.
Claim 10
Dependent Claim
17 words
An ophthalmologic image compound method according to claim 6, wherein: said compound step optically compounds said data.
Claim 11
Dependent Claim
17 words
An ophthalmologic image compound method according to claim 6, wherein: said compound step electrically compounds said data.
Claim 12
Dependent Claim
41 words
An ophthalmologic image compound method according to claim 6, wherein: said compound step is performed with a yellow spot of the eye fundus image brought into coincidence with the center of the field of view of the view field measuring data.
Claim 13
Dependent Claim
37 words
An ophthalmologic image compound method according to claim 6, wherein: said compound step is performed with an optic disk of said eye fundus image brought into coincidence with a blind spot of the view field measuring data.
Claim 14
Dependent Claim
43 words
An ophthalmologic image compound method according to claim 6, wherein: said compound step is performed with coordinates of a fixation target of the view field measuring means made to correspond to a position of the fixation target of an eye fundus photographing means.
Claim 15
Dependent Claim
27 words
An ophthalmologic image compound method according to claim 6, wherein: said eye fundus image is a visible eye fundus image photographed under the application of visible light.
Claim 16
Dependent Claim
32 words
An ophthalmologic image compound method according to claim 6, further comprising: a step for producing the eye fundus image with a wide view angle by combining a plurality of eye fundus images.
Claim 17
Independent Claim
121 words
An apparatus for performing an eye field measurement while outputting a corresponding eye fundus image, comprising: view field measuring means for measuring a view field of an eye to be examined and producing view field measuring data; eye fundus image input means for introducing an eye fundus image prepared previous to a view field measuring operation; correction means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and output means for outputting a corresponding eye fundus image introduced by said eye fundus image input means when the view field measuring operation is being performed.
Claim 18
Independent Claim
121 words
An apparatus for performing an eye field measurement while outputting a corresponding eye fundus image, comprising: view field measuring means for measuring a view field of an eye to be examined and producing view field measuring data; eye fundus image input means for introducing an eye fundus image prepared previous to a view field measuring operation; correction means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and output means for outputting a corresponding eye fundus image introduced by said eye fundus image input means when the view field measuring operation is being performed.
Claim 19
Dependent Claim
31 words
An apparatus for performing an eye field measurement according to claim 15, wherein: said eye fundus image is a visible eye fundus image photographed under the application of a visible light.
Claim 20
Dependent Claim
31 words
An apparatus for performing an eye field measurement according to claim 15, wherein: said eye fundus image has a wide view angle produced by combining a plurality of eye fundus images.
Claim 21
Independent Claim
125 words
A method for performing an eye field measurement while outputting a corresponding eye fundus image, comprising: a view field measuring step for measuring a view field of an eye to be examined and producing view field measuring data; an eye fundus image input step for introducing an eye fundus image prepared previous to a view field measuring operation; a correction step for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and an output step for outputting a corresponding eye fundus image introduced by said eye fundus image input step when the view field measuring operation is being performed.
Claim 22
Independent Claim
125 words
A method for performing an eye field measurement while outputting a corresponding eye fundus image, comprising: a view field measuring step for measuring a view field of an eye to be examined and producing view field measuring data; an eye fundus image input step for introducing an eye fundus image prepared previous to a view field measuring operation; a correction step for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and an output step for outputting a corresponding eye fundus image introduced by said eye fundus image input step when the view field measuring operation is being performed.
Claim 23
Dependent Claim
21 words
An ophthalmologic image compound method according to claim 18, wherein: said correction step corrects at least one of magnification and distortion.
Claim 24
Dependent Claim
28 words
An ophthalmologic image compound method according to claim 18 further comprising the step of optically compounding said corrected eye fundus image and said corrected view field measuring data.
Claim 25
Dependent Claim
28 words
An ophthalmologic image compound method according to claim 18, further comprising the step of electrically compounding said corrected eye fundus image and said corrected view field measuring data.
Claim 26
Dependent Claim
51 words
An ophthalmologic image compound method according to claim 18, further comprising the step of compounding said corrected eye fundus image and said corrected view field measuring data with a yellow spot of the eye fundus image brought into coincidence with center of the field of view of the view field output.
Claim 27
Dependent Claim
48 words
An ophthalmologic image compound method according to claim 18, further comprising the step of compounding said corrected eye fundus image and said corrected view field measuring data with an optic disk of said eye fundus image brought into coincidence with a blind spot of the view field output.
Claim 28
Dependent Claim
55 words
An ophthalmologic image compound method according to claim 18, further comprising the step of compounding said corrected eye fundus image and said corrected view field measuring data with coordinates of a fixation target of a view field measuring means made to correspond to a position of the fixation target of an eye fundus photographing means.
Claim 29
Dependent Claim
28 words
An ophthalmologic image compound method according to claim 18, wherein: said eye fundus image is a visible eye fundus image photographed under the application of a visible light
Claim 30
Dependent Claim
28 words
An ophthalmologic image compound method according to claim 18, wherein: said eye fundus image has a wide view angle produced by combining a plurality of eye fundus images.
Claim 31
Dependent Claim
114 words
An ophthalmologic measuring system, comprising: eye fundus photographing means for photographing and recording an eye fundus image of an eye to be examined previous to performing a view field measurement; view field measuring means for measuring a view field of the eye; output means for outputting said recorded corresponding eye fundus image when the view field measurement is being performed; and correction and compound means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence and for compounding the corrected eye fundus image and view field measuring data.
Claim 32
Dependent Claim
114 words
An ophthalmologic measuring system, comprising: eye fundus photographing means for photographing and recording an eye fundus image of an eye to be examined previous to performing a view field measurement; view field measuring means for measuring a view field of the eye; output means for outputting said recorded corresponding eye fundus image when the view field measurement is being performed; and correction and compound means for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence and for compounding the corrected eye fundus image and view field measuring data.
Claim 33
Dependent Claim
25 words
An apparatus according to claim 27, wherein: said eye fundus image is a visible eye fundus image photographed under the application of a visible light.
Claim 34
Dependent Claim
119 words
An ophthalmologic measuring method, comprising: an eye fundus photographing step for photographing and recording an eye fundus image of an eye to be examined previous to performing a view field measurement; a view field measuring step for measuring a view field of the eye; an output step for outputting said recorded corresponding eye fundus image when the view field measurement is being performed; and a correction and compound step for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence and for compounding said corrected eye fundus image and a view field measuring data.
Claim 35
Dependent Claim
119 words
An ophthalmologic measuring method, comprising: an eye fundus photographing step for photographing and recording an eye fundus image of an eye to be examined previous to performing a view field measurement; a view field measuring step for measuring a view field of the eye; an output step for outputting said recorded corresponding eye fundus image when the view field measurement is being performed; and a correction and compound step for correcting at least one of said eye fundus image and said view field measuring data so that said eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence and for compounding said corrected eye fundus image and a view field measuring data.
Claim 36
Dependent Claim
27 words
An ophthalmologic measuring method according to claim 29, wherein: said eye fundus image is a visible eye fundus image photographed under the application of a visible light.
Claim 37
Dependent Claim
124 words
An ophthalmologic digital image compound method comprising: an eye fundus image input step for introducing an eye fundus image photographed by an eye fundus photographing means; an image storing step for storing said introduced eye fundus image in a digital manner; a view field input step for introducing view field measuring data by means of a view field measuring means; a correction step for correcting at least one of said digitalized eye fundus image and said view field measuring data so that said stored digital eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and a compound step for compounding said corrected digital eye fundus image and said view field measuring data in a digital manner.
Claim 38
Dependent Claim
124 words
An ophthalmologic digital image compound method comprising: an eye fundus image input step for introducing an eye fundus image photographed by an eye fundus photographing means; an image storing step for storing said introduced eye fundus image in a digital manner; a view field input step for introducing view field measuring data by means of a view field measuring means; a correction step for correcting at least one of said digitalized eye fundus image and said view field measuring data so that said stored digital eye fundus image and said view field measuring data correspond to each other in a one-to-one correspondence; and a compound step for compounding said corrected digital eye fundus image and said view field measuring data in a digital manner.
Claim 39
Dependent Claim
47 words
An ophthalmologic digital image compound method according to claim 31, wherein: said method further comprises a step for storing a plurality of said eye fundus images and for producing a digital eye fundus image having a wide view angle by combining said plurality of eye fundus images.
Claim 40
Dependent Claim
24 words
An ophthalmologic digital image compound method according to claim 31, wherein: said introduced eye fundus image is photographed previous to the view field measurement.
Claim 41
Dependent Claim
22 words
An ophthalmologic digital image compound method according to claim 31, wherein: said correction step corrects at least one of magnification and distortion.
Claim 42
Dependent Claim
42 words
An ophthalmologic digital image compound method according to claim 31, wherein: said compound step is performed with a yellow spot of the eye fundus image brought into coincidence with the center of the field of view of the view field measuring data.
Claim 43
Dependent Claim
38 words
An ophthalmologic digital image compound method according to claim 31, wherein: said compound step is performed with an optic disk of said eye fundus image brought into coincidence with a blind spot of the view field measuring data.
Claim 44
Dependent Claim
44 words
An ophthalmologic digital image compound method according to claim 31, wherein: said compound step is performed with coordinates of a fixation target of a view field measuring means made to correspond to a position of the fixation target of an eye fundus photographing means.
Claim 45
Dependent Claim
29 words
An ophthalmologic digital image compound method according to claim 31, wherein: said eye fundus image is a visible eye fundus image photographed under the application of a visible light.
Claim 46
Dependent Claim
100 words
An ophthalmologic image compound apparatus, comprising: means for introducing a plurality of eye fundus images thereinto; means for combining said plurality of eye fundus images and making an eye fundus image of a wide angle of view; view field measuring means for measuring the field of view of an eye to be examined; means for superposing said eye fundus image of a wide angle of view and an output of said view field measuring means, one upon the other, and compounding said eye fundus image of a wide angle of view and the output of said view field measuring means.
Claim 47
Dependent Claim
100 words
An ophthalmologic image compound apparatus, comprising: means for introducing a plurality of eye fundus images thereinto; means for combining said plurality of eye fundus images and making an eye fundus image of a wide angle of view; view field measuring means for measuring the field of view of an eye to be examined; means for superposing said eye fundus image of a wide angle of view and an output of said view field measuring means, one upon the other, and compounding said eye fundus image of a wide angle of view and the output of said view field measuring means.
Claim 48
Dependent Claim
22 words
An ophthalmologic image compound apparatus according to claim 39, further comprising: means for correcting the distortion of said introduced eye fundus image.
Claim 49
Dependent Claim
27 words
An ophthalmologic image compound apparatus according to claim 39, wherein: said eye fundus image is a visible image obtained by applying visible light to the eye fundus.
References Cited (Backward Citations)
US4279478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-05 | 1995-02-04 | 1995-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-05 | 1999-02-04 | 1999-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-05 | 2003-02-04 | 2003-08-06 | $7700.00 | Window Closed / Lapsed |