JP6824159B2 - 虹彩角膜角の画像化のためのプローブ - Google Patents
虹彩角膜角の画像化のためのプローブ Download PDFInfo
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- JP6824159B2 JP6824159B2 JP2017516287A JP2017516287A JP6824159B2 JP 6824159 B2 JP6824159 B2 JP 6824159B2 JP 2017516287 A JP2017516287 A JP 2017516287A JP 2017516287 A JP2017516287 A JP 2017516287A JP 6824159 B2 JP6824159 B2 JP 6824159B2
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- 239000000523 sample Substances 0.000 title claims description 69
- 238000003384 imaging method Methods 0.000 title claims description 60
- 238000005286 illumination Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 14
- 210000004087 cornea Anatomy 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 210000001508 eye Anatomy 0.000 description 38
- 210000002159 anterior chamber Anatomy 0.000 description 13
- 210000003128 head Anatomy 0.000 description 10
- 201000002862 Angle-Closure Glaucoma Diseases 0.000 description 6
- 208000010412 Glaucoma Diseases 0.000 description 5
- 201000004616 primary angle-closure glaucoma Diseases 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000000386 microscopy Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 241000283973 Oryctolagus cuniculus Species 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 210000001742 aqueous humor Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001179 pupillary effect Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000004410 intraocular pressure Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 210000003786 sclera Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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
- A61B3/117—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
-
- 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
-
- 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
- A61B3/145—Arrangements specially adapted for eye photography by video means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
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- 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)
Description
1. I. Agis, "The Advanced Glaucoma Intervention Study (AGIS): 7. The relationship between control of intraocular pressure and visual field deterioration," American Journal of Ophthalmology 130, 429-440 (2000).
2. W. M. Grant, and J. F. Burke Jr, "Why do some people go blind from glaucoma?," Ophthalmology 89, 991-998 (1982).
3. E. M. Stone, J. H. Fingert, W. L. Alward, T. D. Nguyen, J. R. Polansky, S. L. Sunden, D. Nishimura, A. F. Clark, A. Nystuen, and B. E. Nichols, "Identification of a gene that causes primary open angle glaucoma," Science 275, 668-670 (1997).
4. W. P. Nolan, J. L. See, P. T. Chew, D. S. Friedman, S. D. Smith, S. Radhakrishnan, C. Zheng, P. J. Foster, and T. Aung, "Detection of primary angle closure using anterior segment optical coherence tomography in Asian eyes," Ophthalmology 114, 33-39 (2007).
5. S. K. Seah, P. J. Foster, P. T. Chew, A. Jap, F. Oen, H. B. Fam, and A. S. Lim, "Incidence of acute primary angle-closure glaucoma in Singapore: an island-wide survey," Archives of ophthalmology 115, 1436-1440 (1997).
6. T. Aung, W. P. Nolan, D. Machin, S. K. Seah, J. Baasanhu, P. T. Khaw, G. J. Johnson, and P. J. Foster, "Anterior chamber depth and the risk of primary angle closure in 2 East Asian populations," Archives of ophthalmology 123, 527-532 (2005).
7. V. M. Murukeshan, V. K. Shinoj, S. P, and P. Padmanabhan, "Diagnostic Sensing of Specific Proteins in Breast Cancer Cells Using Hollow-Core Photonic Crystal Fiber," in Multimodality Breast Imaging: Diagnosis and Treatment, (SPIE PRESS), p. 572 (2013).
8. V. K. Shinoj, and V. M. Murukeshan, "Hollow-core photonic crystal fiber based multifunctional optical system for trapping, position sensing, and detection of fluorescent particles," Opt. Lett. 37, 1607-1609 (2012).
9. J. James, V. M. Murukeshan, and L. S. Woh, "Integrated photoacoustic, ultrasound and fluorescence platform for diagnostic medical imaging-proof of concept study with a tissue mimicking phantom," Biomedical Optics Express 5, 2135-2144 (2014), http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-5-7-2135.
10. J. G. Fujimoto, "Optical coherence tomography for ultrahigh resolution in vivo imaging," Nature biotechnology 21, 1361-1367 (2003).
11. T. Scheimpflug, "Improved method and apparatus for the systematic alteration or distortion of plane pictures and images by means of lenses and mirrors for photography and for other purposes," GB patent 1196, (1904).
12. R. Jain, and S. Grewal, "Pentacam: Principle and Clinical Applications," Journal of Current Glaucoma Practice 3, 20-32 (2009).
13. L. M. Sakata, R. Lavanya, D. S. Friedman, H. T. Aung, H. Gao, R. S. Kumar, P. J. Foster, and T. Aung, "Comparison of gonioscopy and anterior segment ocular coherence tomography in detecting angle closure in different quadrants of the anterior chamber angle," Ophthalmology 115, 769-774 (2008).
14. H. G. SCHEIE, "Width and pigmentation of the angle of the anterior chamber: a system of grading by gonioscopy," AMA archives of ophthalmology 58, 510-512 (1957).
15. N. G. Congdon, G. L. Spaeth, J. Augsburger, J. Klancnik Jr, K. Patel, and D. G. Hunter, "A proposed simple method for measurement in the anterior chamber angle: biometric gonioscopy," Ophthalmology 106, 2161-2167 (1999).
16. D. T. Quek, M. E. Nongpiur, S. A. Perera, and T. Aung, "Angle imaging: Advances and challenges," Indian journal of ophthalmology 59, S69 (2011).
17. A. L. Coleman, F. Yu, and S. J. Evans, "Use of gonioscopy in medicare beneficiaries before glaucoma surgery," Journal of glaucoma 15, 486-493 (2006).
18. R. Azad, T. Arora, R. Sihota, P. Chandra, D. Mahajan, S. Sain, and Y. Sharma, "Retcam fluorescein gonioangiography: a new modality for early detection of angle neovascularization in diabetic retinopathy," Retina 33, 1902-1907 (2013).
19. S. A. Perera, M. Baskaran, D. S. Friedman, T. A. Tun, H. M. Htoon, R. S. Kumar, and T. Aung, "Use of EyeCam for imaging the anterior chamber angle," Investigative ophthalmology & visual science 51, 2993-2997 (2010).
20. M. Baskaran, S. A. Perera, M. E. Nongpiur, T. A. Tun, J. Park, R. S. Kumar, D. S. Friedman, and T. Aung, "Angle assessment by EyeCam, goniophotography, and gonioscopy," Journal of glaucoma 21, 493-497 (2012).
21. V. K. Shinoj, V. M. Murukeshan, M. Baskaran, and T. Aung, "Note: A gel based imaging technique of the iridocorneal angle for evaluation of angle-closure glaucoma," Review of scientific instruments 85, 066105 (2014).
22. D. T. L. Quek, M. E. Nongpiur, S. A. Perera, and T. Aung, "Angle imaging: Advances and challenges," Indian journal of ophthalmology 59, S69 (2011).
Claims (9)
- 眼の虹彩角膜角の画像化のためのハンドヘルドのプローブであって、
境界の結合ゲルによって角膜上に配置されるように構成されている平坦な角膜接触面を有する遠位端と、
前記ハンドヘルドのプローブの前記遠位端に位置する画像化レンズと前記平坦な角膜接触面に対して直角な撮像軸とを有する単一の小型電荷結合素子(CCD)カメラと、
少なくとも2つの照明源と
を備えており、
各々の照明源は、照明軸を有しており、該照明軸は、前記撮像軸と該照明軸とが眼において集束するように前記平坦な角膜接触面に対して70°から78°までの範囲の角度にあり、
いかなる角度から眺めても発光が同じであるように、前記少なくとも2つの照明源は、ランバート法に基づいて均一な分布で光を放出するように構成される、プローブ。 - 前記少なくとも2つの照明源は、前記撮像軸の周囲に放射状に設けられた4つの光源を備える、請求項1に記載のプローブ。
- 前記4つの光源は、4つのLEDを含む、請求項2に記載のプローブ。
- 前記4つの光源は、少なくとも1つの白色光源と、少なくとも1つのNIR光源とを含む、請求項2に記載のプローブ。
- 前記少なくとも1つの白色光源および前記少なくとも1つのNIR光源は、任意の時点において前記少なくとも1つの白色光源および前記少なくとも1つのNIR光源のうちの一方のみによって眼の虹彩角膜角の領域を照明することを可能にするように構成されている、請求項4に記載のプローブ。
- 前記少なくとも1つのNIR光源は、NIR LEDおよび光ファイバNIRレーザ源のうちの少なくとも一方を含む、請求項4または5に記載のプローブ。
- 前記カメラは、取得された画像を表示パネル上への表示および媒体記憶装置への保存のうちの少なくとも一方のために処理するように構成されたプロセッサへと可撓な接続を介して接続される、請求項1〜6のいずれか一項に記載のプローブ。
- 前記撮像軸は、前記撮像軸および前記照明軸が前記眼の内房において近接して集束するように、前記各々の照明軸から或る角度にオフセットされる、請求項1〜7のいずれか一項に記載のプローブ。
- 前記少なくとも2つの照明源は、制御可能な強度を有するように構成される、請求項1〜8のいずれか一項に記載のプローブ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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SG10201406064V | 2014-09-25 | ||
SG10201406064V | 2014-09-25 | ||
PCT/SG2015/050341 WO2016048245A1 (en) | 2014-09-25 | 2015-09-25 | Probe for iridocorneal angle imaging |
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JP2017529179A JP2017529179A (ja) | 2017-10-05 |
JP6824159B2 true JP6824159B2 (ja) | 2021-02-03 |
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JP2017516287A Active JP6824159B2 (ja) | 2014-09-25 | 2015-09-25 | 虹彩角膜角の画像化のためのプローブ |
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Country | Link |
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US (1) | US10799113B2 (ja) |
EP (1) | EP3197341B1 (ja) |
JP (1) | JP6824159B2 (ja) |
WO (1) | WO2016048245A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015180923A1 (en) * | 2014-05-30 | 2015-12-03 | Nidek Co. Ltd | Optical equipment for observation of the iridocorneal zone, methods of measuring and/or evaluating the iridocorneal zone |
WO2016048245A1 (en) | 2014-09-25 | 2016-03-31 | Nanyang Technological University | Probe for iridocorneal angle imaging |
CN107518870B (zh) * | 2017-08-28 | 2019-07-26 | 温州医科大学 | 一种基于oct的房角光学相干层析成像装置及成像方法 |
US20190200859A1 (en) * | 2017-12-28 | 2019-07-04 | Broadspot Imaging Corp | Patterned beam analysis of iridocorneal angle |
US10821023B2 (en) | 2018-07-16 | 2020-11-03 | Vialase, Inc. | Integrated surgical system and method for treatment in the irido-corneal angle of the eye |
US10821024B2 (en) | 2018-07-16 | 2020-11-03 | Vialase, Inc. | System and method for angled optical access to the irido-corneal angle of the eye |
US11173067B2 (en) | 2018-09-07 | 2021-11-16 | Vialase, Inc. | Surgical system and procedure for precise intraocular pressure reduction |
US11986424B2 (en) | 2018-07-16 | 2024-05-21 | Vialase, Inc. | Method, system, and apparatus for imaging and surgical scanning of the irido-corneal angle for laser surgery of glaucoma |
US11246754B2 (en) | 2018-07-16 | 2022-02-15 | Vialase, Inc. | Surgical system and procedure for treatment of the trabecular meshwork and Schlemm's canal using a femtosecond laser |
US11110006B2 (en) | 2018-09-07 | 2021-09-07 | Vialase, Inc. | Non-invasive and minimally invasive laser surgery for the reduction of intraocular pressure in the eye |
US11564567B2 (en) | 2020-02-04 | 2023-01-31 | Vialase, Inc. | System and method for locating a surface of ocular tissue for glaucoma surgery based on dual aiming beams |
US11612315B2 (en) | 2020-04-09 | 2023-03-28 | Vialase, Inc. | Alignment and diagnostic device and methods for imaging and surgery at the irido-corneal angle of the eye |
US12002567B2 (en) | 2021-11-29 | 2024-06-04 | Vialase, Inc. | System and method for laser treatment of ocular tissue based on patient biometric data and apparatus and method for determining laser energy based on an anatomical model |
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-
2015
- 2015-09-25 WO PCT/SG2015/050341 patent/WO2016048245A1/en active Application Filing
- 2015-09-25 EP EP15843466.2A patent/EP3197341B1/en active Active
- 2015-09-25 US US15/514,422 patent/US10799113B2/en active Active
- 2015-09-25 JP JP2017516287A patent/JP6824159B2/ja active Active
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JP2017529179A (ja) | 2017-10-05 |
EP3197341A1 (en) | 2017-08-02 |
EP3197341A4 (en) | 2018-06-27 |
EP3197341B1 (en) | 2023-08-30 |
WO2016048245A1 (en) | 2016-03-31 |
US20170290508A1 (en) | 2017-10-12 |
US10799113B2 (en) | 2020-10-13 |
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