JP4945558B2 - 乱視用眼内レンズ - Google Patents
乱視用眼内レンズ Download PDFInfo
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- JP4945558B2 JP4945558B2 JP2008517420A JP2008517420A JP4945558B2 JP 4945558 B2 JP4945558 B2 JP 4945558B2 JP 2008517420 A JP2008517420 A JP 2008517420A JP 2008517420 A JP2008517420 A JP 2008517420A JP 4945558 B2 JP4945558 B2 JP 4945558B2
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- JP
- Japan
- Prior art keywords
- lens
- refractive
- meridian
- intraocular lens
- annular
- 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.)
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- 201000009310 astigmatism Diseases 0.000 title description 7
- 101150026006 ASP1 gene Proteins 0.000 claims description 11
- 102100021257 Beta-secretase 1 Human genes 0.000 claims description 11
- 102100021277 Beta-secretase 2 Human genes 0.000 claims description 11
- 101100022918 Schizosaccharomyces pombe (strain 972 / ATCC 24843) sua1 gene Proteins 0.000 claims description 11
- 101150080892 asp2 gene Proteins 0.000 claims description 11
- 210000004087 cornea Anatomy 0.000 claims description 7
- 208000014733 refractive error Diseases 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 210000000695 crystalline len Anatomy 0.000 description 156
- 230000014509 gene expression Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1602—Corrective lenses for use in addition to the natural lenses of the eyes or for pseudo-phakic eyes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
- A61F2/1637—Correcting aberrations caused by inhomogeneities; correcting intrinsic aberrations, e.g. of the cornea, of the surface of the natural lens, aspheric, cylindrical, toric lenses
- A61F2/1645—Toric lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/22—Correction of higher order and chromatic aberrations, wave front measurement and calculation
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
- Eyeglasses (AREA)
Description
asp1=asp2 (7)
asp1≠asp2 (7’)
Rα=f(α) (9)
ここで、境界条件は下記のとおりである。
f(0)=f(180°)=R1
f(90°)=f(270°)=R2
0<α<90°および180°<α<270°ではf’(α)<0
90<α<180°および270°<α<369°ではf’(α)>0 (10)
言い換えると、R1>R2であるので、関数は0°から90°と180°から270°で単調減少であり90°から180°と270°から360°で単調増加である。f(α)の選択には、数多くの関数が利用可能であることは明らかであろう。最も好適な関数f(α)は、本発明のレンズによって球面状波面に変換することができる、レンズ上に入射する波面の知見のみによって決定することができる。f(α)のための数多くの数学的アプローチは一般的に、最適な関数f(α)を決定するためにテストされるべきである。
R α =f 1 (α)=R1×cos2α+R2×sin2α (11)
y2+z2=2Rαx−(1+aspα)x2 (14)
F(x、y、z)=x2+y2+z2−2Rαx+aspαx2=0 (14’)
ここで、上記式は以下のとおりである。
Ra=f(α、R1、R2)および
aspα=g(α、asp1、asp2) (15)
α=arctan(z/y) (16)
また、式(14’)に式(16)を挿入することによって、本発明のレンズの乱視性屈折性表面の表現をデカルト座標で与えることができる。
Claims (7)
- 円環状屈折レンズ表面を備えた乱視性屈折異常の補正用の眼内レンズであって、上記円環状屈折レンズ表面のある経線における切断カーブは、下記数式のいずれかで表される非球面で描かれ、
ここで、各変数は以下の通りであり、
x:レンズ軸方向に存在する第1座標軸
y:第1主経線の方向に存在する第2座標軸
R α :ある経線における上記レンズの頂点における半径またはパラメータ
asp α :上記経線での非球面性
cj:多項式係数
上記経線のそれぞれにおいて、関連するR α は、第1主経線における円環状屈折性レンズ表面の曲率半径R1および第2主経線における円環状屈折性レンズ表面の曲率半径R2に関する関数の値であり、
上記経線のそれぞれにおいて、関連するasp α は、上記円環状屈折レンズ表面の第1主経線における第1非球面性asp1および第2主経線における第2非球面性asp2に関する関数の値であり、asp1とasp2は異なる値であり、
上記第1主経線と角度αをなす経線において、関連するR α および関連するasp α は角度αの関数として定義されることを特徴とする眼内レンズ。 - 外部から入射する平面波は、角膜の乱視性屈折表面において屈折し、上記屈折波は、前記眼内レンズに入射して上記眼内レンズにより屈折が矯正された球面波とされるものであり、
前記角度αの関数は、上記屈折波から上記球面波への必要とされる波面の変換によって決定されるものであることを特徴とする請求項1に記載の眼内レンズ。 - 前記眼内レンズは、円環状屈折前面および円環状屈折後面の両方を有することを特徴とする請求項1または2に記載の眼内レンズ。
- 前記前面および前記後面は、凸状であることを特徴とする請求項1〜3のいずれかに記載の眼内レンズ。
- 円柱状の作用は、前記前面および前記後面に実質的に均一に分配されることを特徴とする請求項1〜4のいずれかに記載の眼内レンズ。
- 前記レンズ軸に平行な平面にて、前記円環状屈折レンズ表面の両方の主経線における切断カーブは、それぞれ非球面を描くことを特徴とする請求項1〜5のいずれかに記載の眼内レンズ。
- 前記眼内レンズは、介在する角が90°ではない二つの主経線を有する円環状屈折レンズ表面を有することを特徴とする請求項1〜6のいずれかに記載の眼内レンズ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005028933A DE102005028933A1 (de) | 2005-06-22 | 2005-06-22 | Astigmatische Intraokularlinse |
DE102005028933.9 | 2005-06-22 | ||
PCT/EP2006/006041 WO2006136424A1 (de) | 2005-06-22 | 2006-06-22 | Astigmatische intraokularlinse |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008543465A JP2008543465A (ja) | 2008-12-04 |
JP4945558B2 true JP4945558B2 (ja) | 2012-06-06 |
Family
ID=37056604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008517420A Active JP4945558B2 (ja) | 2005-06-22 | 2006-06-22 | 乱視用眼内レンズ |
Country Status (12)
Country | Link |
---|---|
US (1) | US8465543B2 (ja) |
EP (1) | EP1903986B1 (ja) |
JP (1) | JP4945558B2 (ja) |
KR (1) | KR20080028876A (ja) |
CN (1) | CN101203193A (ja) |
AT (1) | ATE545387T1 (ja) |
AU (1) | AU2006261104A1 (ja) |
CA (1) | CA2612916A1 (ja) |
DE (1) | DE102005028933A1 (ja) |
ES (1) | ES2382561T3 (ja) |
IL (1) | IL187716A0 (ja) |
WO (1) | WO2006136424A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11366336B2 (en) | 2016-12-07 | 2022-06-21 | Kowa Company, Ltd. | Toric ophthalmic lens |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080288066A1 (en) * | 2007-05-16 | 2008-11-20 | C&C Vision International Limited | Toric sulcus lens |
NL2001503C2 (nl) * | 2008-04-21 | 2009-10-22 | Oculentis B V | Intra-oculaire lens. |
US8167940B2 (en) * | 2008-05-06 | 2012-05-01 | Novartis Ag | Aspheric toric intraocular lens |
AT507873B1 (de) * | 2009-01-21 | 2014-05-15 | Fiala Werner Dr | Linse mit zirkulärem brechkraftprofil |
CN103655001A (zh) * | 2012-09-12 | 2014-03-26 | 爱博诺德(北京)医疗科技有限公司 | 一种散光矫正型人工晶体 |
DE102013216015B4 (de) | 2013-08-13 | 2021-01-28 | Carl Zeiss Meditec Ag | Multifokale Augenlinse mit zumindest teilweise um eine optische Hauptachse umlaufenden optischen Zonen |
DE102013216020A1 (de) | 2013-08-13 | 2015-02-19 | Carl Zeiss Meditec Ag | Augenlinse mit einem torisch brechenden Oberflächenprofil und eine in radialer Richtung gestufte Oberflächenstruktur |
WO2015050455A1 (en) * | 2013-10-04 | 2015-04-09 | Ophtec B.V. | Ophthalmic lens for correcting astigmatism |
CN104127262B (zh) * | 2013-11-27 | 2016-07-27 | 爱博诺德(北京)医疗科技有限公司 | 散光矫正型人工晶体及其设计和生产方法 |
US9995946B2 (en) | 2014-06-13 | 2018-06-12 | Pegavision Corporation | Toric lens |
DE102014113968A1 (de) | 2014-09-26 | 2016-03-31 | Carl Zeiss Meditec Ag | Augenlinse mit ringförmigen optischen Zonen, die individuelle torisch brechende Oberflächenprofile aufweisen |
KR102302430B1 (ko) * | 2016-04-08 | 2021-09-15 | 코와 가부시키가이샤 | 토릭 안내 렌즈 및 안내 렌즈 삽입 기구 |
IT201600097763A1 (it) * | 2016-09-29 | 2018-03-29 | Sifi Medtech Srl | Lente per astigmatismo |
KR102579838B1 (ko) * | 2021-03-11 | 2023-09-26 | 김주영 | 난시를 교정하기 위한 인공수정체 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5173723A (en) * | 1990-10-02 | 1992-12-22 | Volk Donald A | Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens |
US20030060880A1 (en) * | 1994-04-08 | 2003-03-27 | Vladimir Feingold | Toric intraocular lens |
IL118065A0 (en) * | 1995-05-04 | 1996-08-04 | Johnson & Johnson Vision Prod | Aspheric toric lens designs |
AU6330696A (en) * | 1995-06-06 | 1996-12-24 | Scientific Optics, Inc. | Asymmetric bifocal intraocular lens |
JP4023902B2 (ja) * | 1998-04-10 | 2007-12-19 | 株式会社メニコン | トーリック・マルチフォーカルレンズ |
IL133301A0 (en) * | 1998-06-04 | 2001-04-30 | Sola Int Holdings | Shaped ophthalmic lenses |
US6855164B2 (en) * | 2001-06-11 | 2005-02-15 | Vision Solutions Technologies, Llc | Multi-focal intraocular lens, and methods for making and using same |
US20030014107A1 (en) * | 2001-06-28 | 2003-01-16 | Michael Reynard | Multifocal phakic intraocular lens |
US6533416B1 (en) * | 2001-07-20 | 2003-03-18 | Ocular Sciences, Inc. | Contact or intraocular lens and method for its preparation |
WO2004090611A2 (en) | 2003-03-31 | 2004-10-21 | Bausch & Lomb Incorporated | Intraocular lens and method for reducing aberrations in an ocular system |
DE10325841A1 (de) | 2003-06-06 | 2004-12-30 | Acritec Gmbh | Intraokularlinse |
US20060116763A1 (en) * | 2004-12-01 | 2006-06-01 | Simpson Michael J | Contrast-enhancing aspheric intraocular lens |
-
2005
- 2005-06-22 DE DE102005028933A patent/DE102005028933A1/de not_active Ceased
-
2006
- 2006-06-22 AU AU2006261104A patent/AU2006261104A1/en not_active Abandoned
- 2006-06-22 US US11/916,635 patent/US8465543B2/en active Active
- 2006-06-22 CA CA 2612916 patent/CA2612916A1/en not_active Abandoned
- 2006-06-22 ES ES06743184T patent/ES2382561T3/es active Active
- 2006-06-22 JP JP2008517420A patent/JP4945558B2/ja active Active
- 2006-06-22 WO PCT/EP2006/006041 patent/WO2006136424A1/de active Application Filing
- 2006-06-22 KR KR1020077029279A patent/KR20080028876A/ko not_active Application Discontinuation
- 2006-06-22 AT AT06743184T patent/ATE545387T1/de active
- 2006-06-22 CN CNA200680022467XA patent/CN101203193A/zh active Pending
- 2006-06-22 EP EP06743184A patent/EP1903986B1/de active Active
-
2007
- 2007-11-28 IL IL187716A patent/IL187716A0/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11366336B2 (en) | 2016-12-07 | 2022-06-21 | Kowa Company, Ltd. | Toric ophthalmic lens |
Also Published As
Publication number | Publication date |
---|---|
US8465543B2 (en) | 2013-06-18 |
IL187716A0 (en) | 2008-08-07 |
CA2612916A1 (en) | 2006-12-28 |
US20090132041A1 (en) | 2009-05-21 |
DE102005028933A1 (de) | 2006-12-28 |
KR20080028876A (ko) | 2008-04-02 |
ES2382561T3 (es) | 2012-06-11 |
CN101203193A (zh) | 2008-06-18 |
JP2008543465A (ja) | 2008-12-04 |
EP1903986B1 (de) | 2012-02-15 |
AU2006261104A1 (en) | 2006-12-28 |
ATE545387T1 (de) | 2012-03-15 |
EP1903986A1 (de) | 2008-04-02 |
WO2006136424A1 (de) | 2006-12-28 |
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