JP2005505372A - 眼の角膜プロファイルを測定する方法および装置 - Google Patents
眼の角膜プロファイルを測定する方法および装置 Download PDFInfo
- Publication number
- JP2005505372A JP2005505372A JP2003535633A JP2003535633A JP2005505372A JP 2005505372 A JP2005505372 A JP 2005505372A JP 2003535633 A JP2003535633 A JP 2003535633A JP 2003535633 A JP2003535633 A JP 2003535633A JP 2005505372 A JP2005505372 A JP 2005505372A
- Authority
- JP
- Japan
- Prior art keywords
- slit
- image
- corneal
- cornea
- placido ring
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 210000004087 cornea Anatomy 0.000 claims abstract description 92
- 230000005855 radiation Effects 0.000 claims description 50
- 238000012876 topography Methods 0.000 claims description 32
- 230000004907 flux Effects 0.000 claims description 25
- 238000001228 spectrum Methods 0.000 claims description 15
- 239000013307 optical fiber Substances 0.000 claims description 11
- 238000002329 infrared spectrum Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000005286 illumination Methods 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241001137901 Centropomus undecimalis Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
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
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/981,054 US6575573B2 (en) | 2001-10-17 | 2001-10-17 | Method and apparatus for measuring a corneal profile of an eye |
| US10/051,192 US6692126B1 (en) | 2001-10-17 | 2002-01-17 | Method and apparatus for measuring a corneal profile of an eye |
| PCT/EP2002/010970 WO2003032823A2 (en) | 2001-10-17 | 2002-10-01 | Method and apparatus for measuring a corneal profile of an eye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005505372A true JP2005505372A (ja) | 2005-02-24 |
| JP2005505372A5 JP2005505372A5 (cg-RX-API-DMAC7.html) | 2006-01-05 |
Family
ID=26729154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003535633A Pending JP2005505372A (ja) | 2001-10-17 | 2002-10-01 | 眼の角膜プロファイルを測定する方法および装置 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1435832B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2005505372A (cg-RX-API-DMAC7.html) |
| WO (1) | WO2003032823A2 (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087729A (ja) * | 2003-09-02 | 2005-04-07 | Oculus Optikgeraete Gmbh | 眼科用分析システム |
| JP2007513700A (ja) * | 2003-12-10 | 2007-05-31 | ボシュ・アンド・ロム・インコーポレイテッド | 高速スイッチングスリットスキャン型画像取込みシステム |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7241012B2 (en) * | 2003-01-21 | 2007-07-10 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| US20070019161A1 (en) * | 2005-07-21 | 2007-01-25 | Clausing Robert C | Eye measurement system providing for integration of elevation data and pachymetry data |
| ES2817950T3 (es) | 2006-04-11 | 2021-04-08 | Cognoptix Inc | Procesamiento de imágenes oculares |
| US7896497B2 (en) * | 2006-12-26 | 2011-03-01 | Bausch & Lomb Incorporated | Corneal measurement apparatus having a segmented aperture and a method of using the same |
| ES2584512T3 (es) | 2008-03-27 | 2016-09-28 | Cognoptix, Inc. | Imágenes oculares para el diagnóstico de enfermedades neurodegenerativas |
| CN103153168B (zh) | 2010-08-16 | 2016-03-09 | 康格诺皮蒂克斯公司 | 用于探测淀粉样蛋白的系统和方法 |
| JP7543002B2 (ja) * | 2020-06-17 | 2024-09-02 | 株式会社トプコン | スリットランプ顕微鏡 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU716040B2 (en) * | 1993-06-24 | 2000-02-17 | Bausch & Lomb Incorporated | Ophthalmic pachymeter and method of making ophthalmic determinations |
| JP3664937B2 (ja) * | 2000-03-27 | 2005-06-29 | 株式会社ニデック | 眼科装置 |
-
2002
- 2002-10-01 EP EP02801299.5A patent/EP1435832B1/en not_active Expired - Lifetime
- 2002-10-01 WO PCT/EP2002/010970 patent/WO2003032823A2/en not_active Ceased
- 2002-10-01 JP JP2003535633A patent/JP2005505372A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087729A (ja) * | 2003-09-02 | 2005-04-07 | Oculus Optikgeraete Gmbh | 眼科用分析システム |
| JP2007513700A (ja) * | 2003-12-10 | 2007-05-31 | ボシュ・アンド・ロム・インコーポレイテッド | 高速スイッチングスリットスキャン型画像取込みシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1435832A2 (en) | 2004-07-14 |
| EP1435832B1 (en) | 2014-03-26 |
| WO2003032823A3 (en) | 2003-09-25 |
| WO2003032823A2 (en) | 2003-04-24 |
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Legal Events
| Date | Code | Title | Description |
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| A521 | Request for written amendment filed |
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| A02 | Decision of refusal |
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