JP6681135B2 - 検眼鏡の改良 - Google Patents
検眼鏡の改良 Download PDFInfo
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- JP6681135B2 JP6681135B2 JP2014094973A JP2014094973A JP6681135B2 JP 6681135 B2 JP6681135 B2 JP 6681135B2 JP 2014094973 A JP2014094973 A JP 2014094973A JP 2014094973 A JP2014094973 A JP 2014094973A JP 6681135 B2 JP6681135 B2 JP 6681135B2
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- aberration correction
- scanning
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- laser ophthalmoscope
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- 230000004075 alteration Effects 0.000 claims description 92
- 230000003068 static effect Effects 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 31
- 210000001525 retina Anatomy 0.000 claims description 25
- 210000001747 pupil Anatomy 0.000 claims description 13
- 238000007620 mathematical function Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 239000005304 optical glass Substances 0.000 description 2
- 230000004256 retinal image Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- WNEODWDFDXWOLU-QHCPKHFHSA-N 3-[3-(hydroxymethyl)-4-[1-methyl-5-[[5-[(2s)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl]amino]-6-oxopyridin-3-yl]pyridin-2-yl]-7,7-dimethyl-1,2,6,8-tetrahydrocyclopenta[3,4]pyrrolo[3,5-b]pyrazin-4-one Chemical compound C([C@@H](N(CC1)C=2C=NC(NC=3C(N(C)C=C(C=3)C=3C(=C(N4C(C5=CC=6CC(C)(C)CC=6N5CC4)=O)N=CC=3)CO)=O)=CC=2)C)N1C1COC1 WNEODWDFDXWOLU-QHCPKHFHSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002207 retinal effect Effects 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
- A61B3/1025—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for confocal scanning
-
- 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
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0031—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for scanning purposes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0087—Phased arrays
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Ophthalmology & Optometry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Endoscopes (AREA)
Description
を具えている。当該多項式は、x及びyのべき級数である。初項から順にx、y、x*x、x*y、y*y等のように続く。
(i)前記検眼鏡を具えるシステムの光学的記述を構成するステップと、
(ii)前記システムを通して複数の光線を通過させるステップと、
(iii)前記システムを通した光線の経路を判定するステップと、
(iv)前記光線の経路を用いて、角度の関数として、前記検眼鏡の少なくともいくつかの前記走査リレー要素の収差を測定するステップと、
(v)収差の測定値を用いて、前記収差矯正要素の形状を規定する数学関数を判定するステップと、を具える。
(i)前記検眼鏡を具えるシステム及び正常眼の光学的記述を構成するステップと、
(ii)前記システムを通して複数の光線を通過させ、前記正常眼の表面に複数の角度を作用させるステップと、
(iii)前記システムを通した光線の経路を判定するステップと、
(iv)前記光線の経路を用いて、角度の関数として、前記検眼鏡の少なくともいくつかの前記走査リレー要素及び前記正常眼の収差を測定するステップと、
(v)収差の測定値を用いて、前記収差矯正要素の形状を規定する数学関数を判定するステップと、を具える。
ここで、Nが級数の多項式係数の番号であり、aiは多項式の項piのi番目の係数である。当該多項式は、x及びyのべき級数であり、初項から順にx、y、x*x、x*y、y*y等のように続く。本実施例では、N=20であり、係数(R=100mmの規格化半径で割ったものであるため、無次元である)については、a1=0、a2=1.515、a3=9.981、a4=0、a5=15.486、a6=0、a7=−2342.830、a8=0、a9=−635.766、a10=1026163.828、a11=0、a12=−30279.492、a13=0、a14=−5695.243、a15=0、a16=23929093.583、a17=0、a18=−145044.106、a19=0、a20=−14564.76025249である。
Claims (8)
- 眼(22)の網膜を走査するための走査レーザ検眼鏡(10)であって、
光ビーム(13)を照射する光源(12)と、
複数の走査リレー要素と、
前記複数の走査リレー要素の少なくともいくつかの走査リレー要素の収差の矯正を与えるよう規定される形状を有すると共に、前記複数の走査リレー要素の少なくともいくつかの走査リレー要素の収差の矯正を与えるように前記走査レーザ検眼鏡(10)の中に位置される静的収差矯正要素(30)と、
を具えており、
前記光源(12)及び前記複数の走査リレー要素が、眼(22)の瞳孔点における見かけの点光源から眼の網膜まで伝えられる前記光ビーム(13)の2次元走査を与え、
前記静的収差矯正要素(30)は、前記眼の瞳孔点における前記見かけの点光源から前記眼(22)の網膜までの前記光ビーム(13)の伝達が維持されるように配置されており、
前記静的収差矯正要素(30)が、前記光ビーム(13)の位相を変更して、前記複数の走査リレー要素の少なくともいくつかの走査リレー要素の収差の矯正を与えるように、構成され、
前記静的収差矯正要素(30)が、前記静的収差矯正要素(30)の長軸及び短軸に沿った空間的に変動する前記静的収差矯正要素(30)の厚さの結果である前記静的収差矯正要素(30)の1以上の光学的特性を課すことによって収差の矯正を与えるように、構成される、
ことを特徴とする走査レーザ検眼鏡。 - 前記静的収差矯正要素(30)の深さが、少なくとも1の所定の数学関数によって規定されることを特徴とする請求項1に記載の走査レーザ検眼鏡。
- 前記所定の数学関数が、少なくとも1の多項式関数を具えることを特徴とする請求項2に記載の走査レーザ検眼鏡。
- 前記所定の数学関数が、Nを級数の多項式係数の番号とし、aiを多項式の項piのi番目の係数とすると、式
を具えており、
当該多項式は、x及びyのべき級数であり、初項がx、第2項がy、第3項がx*x、第4項がx*y、第5項がy*yであることを特徴とする請求項3に記載の走査レーザ検眼鏡。 - 前記静的収差矯正要素(30)の前記走査レーザ検眼鏡(10)の中の位置が、前記静的収差矯正要素の長軸が前記複数の走査リレー要素の楕円ミラーの前記長軸と略平行となるように、選択されることを特徴とする請求項1乃至4のいずれか1項に記載の走査レーザ検眼鏡。
- 前記静的収差矯正要素(30)が、前記走査リレー要素の第1の走査要素(14)に設けられた窓(32)に取り付けられ、又は当該窓(32)の代わりに設けられていることを特徴とする請求項1に記載の走査レーザ検眼鏡。
- 前記静的収差矯正要素(30)が、前記光ビーム(13)の位相を変更するように構成される透過位相マスクを具えることを特徴とする請求項1乃至6のいずれか1項に記載の走査レーザ検眼鏡。
- 前記静的収差矯正要素(30)が、前記複数の走査リレー要素の少なくともいくつかの走査リレー要素の収差の矯正及び眼の収差の矯正を与えるよう規定される形状を有することを特徴とする請求項1乃至7のいずれか1項に記載の走査レーザ検眼鏡。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1307936.3A GB201307936D0 (en) | 2013-05-02 | 2013-05-02 | Improvements in and relating to ophthalmoscopes |
GB1307936.3 | 2013-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014217756A JP2014217756A (ja) | 2014-11-20 |
JP6681135B2 true JP6681135B2 (ja) | 2020-04-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014094973A Active JP6681135B2 (ja) | 2013-05-02 | 2014-05-02 | 検眼鏡の改良 |
Country Status (9)
Country | Link |
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US (1) | US10149612B2 (ja) |
EP (1) | EP2805670B1 (ja) |
JP (1) | JP6681135B2 (ja) |
CN (1) | CN104127167B (ja) |
DK (1) | DK2805670T3 (ja) |
ES (1) | ES2935575T3 (ja) |
FI (1) | FI2805670T3 (ja) |
GB (2) | GB201307936D0 (ja) |
HK (1) | HK1201431A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107106003B (zh) * | 2014-12-26 | 2019-03-12 | 株式会社尼康 | 眼底成像装置 |
JP6380556B2 (ja) | 2014-12-26 | 2018-08-29 | 株式会社ニコン | 眼底像形成装置 |
JP6776777B2 (ja) * | 2015-09-30 | 2020-10-28 | 株式会社ニデック | 眼底撮影装置 |
EP3150109B1 (en) * | 2015-09-30 | 2023-07-05 | Nidek Co., Ltd. | Fundus imaging device |
US10201275B1 (en) | 2016-02-09 | 2019-02-12 | Carl Zeiss Meditec, Inc. | Reflective ultra-wide field fundus imager |
JP2018061622A (ja) | 2016-10-11 | 2018-04-19 | オプトス ピーエルシー | 眼底観察装置 |
JP2018061621A (ja) | 2016-10-11 | 2018-04-19 | オプトス ピーエルシー | 眼底画像撮影装置、眼底画像撮影方法、及び眼底画像撮影プログラム |
EP3631533A4 (en) | 2017-05-24 | 2021-03-24 | The Trustees of Columbia University in the City of New York | WIDE-BAND ACHROMATIC FLAT OPTICAL COMPONENTS BY DIELECTRIC METASURFACES MODIFIED BY DISPERSION |
WO2019034228A1 (en) * | 2017-08-14 | 2019-02-21 | Optos Plc | OPHTHALMIC DEVICE |
EP3676973A4 (en) | 2017-08-31 | 2021-05-05 | Metalenz, Inc. | INTEGRATION OF LENS WITH PERMEABLE METAL SURFACE |
US11978752B2 (en) | 2019-07-26 | 2024-05-07 | Metalenz, Inc. | Aperture-metasurface and hybrid refractive-metasurface imaging systems |
KR102598322B1 (ko) * | 2021-11-05 | 2023-11-02 | 연세대학교 산학협력단 | 안구 운동 측정 장치 및 방법 |
US11927769B2 (en) | 2022-03-31 | 2024-03-12 | Metalenz, Inc. | Polarization sorting metasurface microlens array device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US6186628B1 (en) * | 1999-05-23 | 2001-02-13 | Jozek F. Van de Velde | Scanning laser ophthalmoscope for selective therapeutic laser |
US7217375B2 (en) | 2001-06-04 | 2007-05-15 | Ophthonix, Inc. | Apparatus and method of fabricating a compensating element for wavefront correction using spatially localized curing of resin mixtures |
GB2440163A (en) | 2006-07-15 | 2008-01-23 | Optos Plc | Scanning ophthalmoscope with reduced shear distortion |
GB0622325D0 (en) * | 2006-11-09 | 2006-12-20 | Optos Plc | Improvements in or relating to retinal scanning |
JP5139832B2 (ja) * | 2008-02-14 | 2013-02-06 | 浜松ホトニクス株式会社 | 観察装置 |
US8020994B2 (en) * | 2008-09-04 | 2011-09-20 | Heidelberg Engineering Gmbh | Custom phase plate |
US7988295B2 (en) | 2008-10-28 | 2011-08-02 | Heidelberg Engineering Gmbh | Laser control with phase plate feedback |
GB201007046D0 (en) * | 2010-04-28 | 2010-06-09 | Optos Plc | Improvements in or relating to scanning ophthalmoscopes |
GB201100555D0 (en) * | 2011-01-13 | 2011-03-02 | Optos Plc | Improvements in or relating to Ophthalmology |
-
2013
- 2013-05-02 GB GBGB1307936.3A patent/GB201307936D0/en not_active Ceased
-
2014
- 2014-05-01 GB GB1407698.8A patent/GB2516343B/en active Active
- 2014-05-01 DK DK14166795.6T patent/DK2805670T3/da active
- 2014-05-01 EP EP14166795.6A patent/EP2805670B1/en active Active
- 2014-05-01 ES ES14166795T patent/ES2935575T3/es active Active
- 2014-05-01 FI FIEP14166795.6T patent/FI2805670T3/fi active
- 2014-05-01 US US14/267,645 patent/US10149612B2/en active Active
- 2014-05-02 JP JP2014094973A patent/JP6681135B2/ja active Active
- 2014-05-04 CN CN201410185233.3A patent/CN104127167B/zh active Active
-
2015
- 2015-02-27 HK HK15102024.9A patent/HK1201431A1/xx unknown
Also Published As
Publication number | Publication date |
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ES2935575T3 (es) | 2023-03-08 |
GB201307936D0 (en) | 2013-06-12 |
GB201407698D0 (en) | 2014-06-18 |
FI2805670T3 (fi) | 2023-01-31 |
JP2014217756A (ja) | 2014-11-20 |
CN104127167B (zh) | 2018-05-01 |
HK1201431A1 (en) | 2015-09-04 |
US10149612B2 (en) | 2018-12-11 |
GB2516343A (en) | 2015-01-21 |
EP2805670B1 (en) | 2022-12-21 |
EP2805670A1 (en) | 2014-11-26 |
GB2516343B (en) | 2016-03-09 |
CN104127167A (zh) | 2014-11-05 |
US20140327882A1 (en) | 2014-11-06 |
DK2805670T3 (da) | 2023-01-09 |
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