JP2023120252A - 色収差補正を有する多焦点眼科用レンズ - Google Patents
色収差補正を有する多焦点眼科用レンズ Download PDFInfo
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- 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
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- A61F2/02—Prostheses implantable into the body
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- A61F2/02—Prostheses implantable into the body
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- 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
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- 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
- A61F2/1654—Diffractive lenses
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- 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
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- 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
- A61F2/1659—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 having variable absorption coefficient for electromagnetic radiation, e.g. photochromic lenses
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- 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
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/16—Intraocular lenses
- A61F2002/1681—Intraocular lenses having supporting structure for lens, e.g. haptics
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- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/20—Diffractive and Fresnel lenses or lens portions
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- 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
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Abstract
Description
サグ(r)=Zbase(r) 0≦r≦r1
サグ(r)=Zbase(r)+Fdiffractive(r,T)+Δ1 r1≦r≦r2
サグ(r)=Zbase(r)+Δ2 r2≦r≦r3 式(1)
ここで、
rは光軸からの径方向距離を表し、
Zbase(r)は表面の基本曲率を表し、
Fdiffractive(r,T)は設計において多焦点性を生成する回折構造116のプロファイルを表し、
Tは回折構造116のr2空間内の周期を表し、
r1、r2及びr3は様々な半径方向接合点を表し、
Δ1及びΔ2は、IOLの様々なセクション間の適切な位相シフトを保証する定数である。
rは光軸からの径方向距離を表し、
cは表面の基本曲率を表し、
kは円錐定数を表し、
a2は2次変形定数であり、
a4は4次変形定数であり、
a6は6次変形定数であり、
anはn次変形定数であり、ここでnは任意の好適な偶数(例えば20)に等しくてもよい。
λは設計波長を表し、
DADDは屈折力空間内の隣接次数間の間隔を表す。
rは光軸からの径方向距離を表し、
r1、r12及びr2は様々な半径方向接合点を表し(ここで、r1及びr2は上記式(1)と同じであり)、
Tは回折構造116のr2空間内の周期を表し、
hdiffractiveは多焦点回折レンズのステップ高を表す。
rは光軸からの径方向距離を表し、
r1’、r2’及びr3は様々な半径方向接合点を表し(ここでr3は上記式(1)と同じである)、
Tgは追加された色収差補正構造のr2空間内の周期を表し、
hはステップ高を表す。
Nhは整数であり(いくつかの実施形態では、Nhは第1の回折領域の1/2でもよい)、
λは設計波長を表し、
nIOLはIOLの屈折率を表し、
nocularmediaは水性又はガラス質などの周囲透光体の屈折率を表す。
Tg=NT
又は
T=NTg 式(7)
ここで、
Nは整数であり、
Tは式(1)内の元の多焦点格子構造のr2空間内の周期を表し、
Tgは追加された色収差補正構造のr2空間内の周期を表す。
λは設計波長を表し、
Δfはシフトされた回折次数と元次数との間隔を表し、
Nhは式(6)内のステップ高に関連付けられた整数である。
サグ(r)=Zbase(r) 0≦r≦r1
サグ(r)=Zbase(r)+Fdiffractive(r,T)+Δ1’ r1≦r≦r1’
サグ(r)=Z’base(r)+Fdiffractive(r,T)+Δ1’’ r1’≦r≦r2’
サグ(r)=Zbase(r)+Fdiffractive(r,T)+Δ1’’’ r2’≦r≦r2
サグ(r)=Zbase(r)+Δ2’ r2≦r≦r3 式(9)
ここで、
rは光軸からの径方向距離を表し、
Zbase(r)は、式(2)に示すような患者遠視力を補正する基本曲率を表し、
Z’base(r)は患者遠視力を補正する基本曲率を表し、式(5)内の色収差補正構造の追加により引き起こされる焦点シフトを考慮し、
Fdiffractive(r,T)は、設計において多焦点性を提供する基本回折プロファイルを表し、
Tは基本回折プロファイルのr2空間内の周期を表し、
r1、r2及びr3は式(1)に示すように表面における接合点を表し、
r1’及びr2’は式(5)に示すように表面における接合点を表す。
Δ1’、Δ1’’、Δ1’’’及びΔ2’はIOLの様々なセクション間の適切な位相シフトを保証する定数である。
rは光軸からの径方向距離を表し、
c’は表面の基本曲率を表し、
k’は円錐定数を表し、
a2’は2次変形定数であり、
a4’は4次変形定数であり、
a6’は6次変形定数であり、
an’はn次変形定数であり、ここでnは任意の好適な偶数(例えば20)に等しくてもよい。
サグachromatized_multifocal=サグ(r)+g(r) 式(11)
fblueは青色波長(例えば400nm)下の偽水晶体眼の焦点長を表し、
fredは赤色波長(例えば700nm)下の偽水晶体眼の焦点長を表す。
Claims (10)
- 前面、後面、及び光軸を含む光学素子を含む眼科用レンズであって、
前記前面及び前記後面のうちの少なくとも1つは、
基本曲率と、
前記基本曲率を有する屈折領域と、
複数の回折ステップを含む回折プロファイルを含む回折領域と
を含む表面プロファイルを有し、前記回折プロファイルの少なくとも一部は、
前記眼科用レンズの複数の焦点を規定する基本回折プロファイルと
縦色収差を低減する色収差補正構造と
の組み合わせであり、
前記表面プロファイルは次のように規定され:
サグachromatized_multifocal=サグ(r)+g(r);
ここで、サグ(r)は前記色収差補正構造を除いた前記眼科用レンズの前記表面プロファイルを規定し、g(r)は前記色収差補正構造を規定し、
サグ(r)=Zbase(r) 0≦r≦r1;
サグ(r)=Zbase(r)+Fdiffractive(T)+Δ1’ r1<r≦r1’;
サグ(r)=Z’base(r)+Fdiffractive(T)+Δ1’’ r1’<r≦r2’;
サグ(r)=Zbase(r)+Fdiffractive(T)+Δ1’’’ r2’<r≦r2;
サグ(r)=Zbase(r)+Δ2’ r2<r≦r3;
rは前記光軸からの径方向距離を表し、
Zbase(r)は前記基本曲率を表し、
Z’base(r)は前記色収差補正構造により引き起こされる焦点シフトを考慮する修正基本曲率を表し、
Fdiffractiveは基本回折構造を規定し、
Tは前記基本回折構造のr2空間内の周期を表し、
r1、r2、r3、r1’及びr2’は前記表面プロファイル上の接合点を表し;
Δ1’、Δ1’’、Δ1’’’、及びΔ2’は定数であり、
cは前記表面の基本曲率であり、
kは円錐定数であり、
a2、a4、a6及びanはそれぞれ2次、4次、6次、及びn次係数であり、
c’は前記表面の基本曲率を表し、
k’は円錐定数を表し、
a2’、a4’、a6’及びan’はそれぞれ2次、4次、6次、及びn次係数であり、
c≠c’、k≠k’、a2≠a2’、a4≠a4’、a6≠a6’、an≠an’のうちの1つが成立し、
Tgは前記色収差補正構造のr2空間内の周期を表し、
r1’、r2’及びr3は前記表面プロファイル上の接合点を表し、
hはステップ高を表す、眼科用レンズ。 - 前記基本曲率は前記眼科用レンズの基本屈折力に対応する、請求項1に記載の眼科用レンズ。
- 前記回折領域は前記光軸から第1の半径方向境界まで伸び、
前記屈折領域は前記第1の半径方向境界から前記光学素子の端まで伸びる、請求項1に記載の眼科用レンズ。 - 前記基本回折プロファイルはアポダイズされた回折プロファイルを含む、請求項1に記載の眼科用レンズ。
- r1は零に等しく、r3は前記光学素子の外端を規定する、請求項1に記載の眼科用レンズ。
- 前記anについてn=20である、請求項1に記載の眼科用レンズ。
- 前記an’についてn=20である、請求項1に記載の眼科用レンズ。
- Tg=Tである、請求項1に記載の眼科用レンズ。
- Tg=NT;又は
T=NTg;
ここでNは整数である、請求項1に記載の眼科用レンズ。 - h=Nhλ/(nIOL-nocularmedia);
Nhは整数であり、
λは設計波長を表し、
nIOLは眼科用レンズの屈折率を表し、
nocularmediaは患者の透光体の屈折率を表す、請求項1に記載の眼科用レンズ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US15/498,836 US10420638B2 (en) | 2017-04-27 | 2017-04-27 | Multifocal ophthalmic lens having chromatic aberration correction |
US15/498,836 | 2017-04-27 | ||
JP2019557800A JP7295029B2 (ja) | 2017-04-27 | 2018-04-05 | 色収差補正を有する多焦点眼科用レンズ |
PCT/IB2018/052385 WO2018197974A1 (en) | 2017-04-27 | 2018-04-05 | Multifocal ophthalmic lens having chromatic aberration correction |
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JP2019557800A Division JP7295029B2 (ja) | 2017-04-27 | 2018-04-05 | 色収差補正を有する多焦点眼科用レンズ |
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JP2023094721A Pending JP2023120252A (ja) | 2017-04-27 | 2023-06-08 | 色収差補正を有する多焦点眼科用レンズ |
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US (3) | US10420638B2 (ja) |
EP (2) | EP4283383A3 (ja) |
JP (2) | JP7295029B2 (ja) |
KR (2) | KR20230104747A (ja) |
CN (2) | CN113057763B (ja) |
AU (2) | AU2018259230B2 (ja) |
BR (1) | BR112019018946B1 (ja) |
CA (1) | CA3053729A1 (ja) |
ES (1) | ES2964856T3 (ja) |
RU (1) | RU2770314C2 (ja) |
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US10420638B2 (en) * | 2017-04-27 | 2019-09-24 | Novartis Ag | Multifocal ophthalmic lens having chromatic aberration correction |
BR112021012025A2 (pt) * | 2018-12-20 | 2021-09-21 | Aaren Scientific Inc. | Lente intraocular |
AU2020416508A1 (en) | 2019-12-30 | 2022-08-25 | Amo Groningen B.V. | Achromatic lenses with zone order mixing for vision treatment |
WO2021136616A1 (en) | 2019-12-30 | 2021-07-08 | Amo Groningen B.V. | Achromatic lenses for vision treatment |
CA3183684A1 (en) | 2020-06-01 | 2021-12-08 | Icares Medicus, Inc. | Double-sided aspheric diffractive multifocal lens, manufacture, and uses thereof |
CN113693780B (zh) * | 2021-08-16 | 2022-08-09 | 麦得科科技有限公司 | 具有扩展景深的眼用透镜 |
CN115919505B (zh) * | 2022-11-22 | 2024-02-06 | 无锡蕾明视康科技有限公司 | 一种消色差型多焦点人工晶状体 |
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US5699142A (en) | 1994-09-01 | 1997-12-16 | Alcon Laboratories, Inc. | Diffractive multifocal ophthalmic lens |
US6000798A (en) | 1997-10-06 | 1999-12-14 | Innotech Inc. | Ophthalmic optic devices |
RU2186417C2 (ru) * | 2000-02-22 | 2002-07-27 | Институт автоматики и электрометрии СО РАН | Дифракционная интраокулярная линза |
SE0101293D0 (sv) * | 2001-04-11 | 2001-04-11 | Pharmacia Groningen Bv | Technical field of the invention |
SE0203564D0 (sv) | 2002-11-29 | 2002-11-29 | Pharmacia Groningen Bv | Multifocal opthalmic lens |
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US20080147185A1 (en) * | 2006-05-31 | 2008-06-19 | Xin Hong | Correction of chromatic aberrations in intraocular lenses |
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JP4921618B2 (ja) | 2010-01-13 | 2012-04-25 | パナソニック株式会社 | 回折格子レンズとその製造方法、およびそれを用いた撮像装置 |
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US8556417B2 (en) * | 2012-02-02 | 2013-10-15 | Novartis Ag | Apodized hybrid diffractive-refractive IOL for pseudo-accommodation |
EP2890287B1 (en) * | 2012-08-31 | 2020-10-14 | Amo Groningen B.V. | Multi-ring lens, systems and methods for extended depth of focus |
US9335564B2 (en) * | 2014-05-15 | 2016-05-10 | Novartis Ag | Multifocal diffractive ophthalmic lens using suppressed diffractive order |
EP3130314A1 (en) | 2015-08-12 | 2017-02-15 | PhysIOL SA | Trifocal intraocular lens with extended range of vision and correction of longitudinal chromatic aberration |
US10420638B2 (en) * | 2017-04-27 | 2019-09-24 | Novartis Ag | Multifocal ophthalmic lens having chromatic aberration correction |
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CN110637251B (zh) | 2021-04-27 |
JP7295029B2 (ja) | 2023-06-20 |
US20190358027A1 (en) | 2019-11-28 |
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CN110637251A (zh) | 2019-12-31 |
AU2018259230A1 (en) | 2019-09-05 |
CA3053729A1 (en) | 2018-11-01 |
US20180311034A1 (en) | 2018-11-01 |
WO2018197974A1 (en) | 2018-11-01 |
JP2020518009A (ja) | 2020-06-18 |
US20210228335A1 (en) | 2021-07-29 |
EP3615992B1 (en) | 2023-10-18 |
KR20200008994A (ko) | 2020-01-29 |
ES2964856T3 (es) | 2024-04-09 |
KR102549448B1 (ko) | 2023-06-28 |
CN113057763B (zh) | 2024-06-07 |
EP4283383A3 (en) | 2024-03-06 |
KR20230104747A (ko) | 2023-07-10 |
BR112019018946A2 (pt) | 2020-04-22 |
AU2024200326A1 (en) | 2024-02-01 |
RU2770314C2 (ru) | 2022-04-15 |
BR112019018946B1 (pt) | 2024-01-23 |
TW201906588A (zh) | 2019-02-16 |
US11000361B2 (en) | 2021-05-11 |
EP4283383A2 (en) | 2023-11-29 |
AU2018259230B2 (en) | 2023-11-30 |
CN113057763A (zh) | 2021-07-02 |
RU2019138153A (ru) | 2021-05-27 |
US10420638B2 (en) | 2019-09-24 |
RU2019138153A3 (ja) | 2021-11-11 |
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