JP2019507624A - 軽減された視覚的障害を有する多焦点レンズ - Google Patents
軽減された視覚的障害を有する多焦点レンズ Download PDFInfo
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- 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
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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
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- 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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- A61F2/00—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
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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
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- A—HUMAN NECESSITIES
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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
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- A—HUMAN NECESSITIES
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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
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Abstract
Description
zbase=[cr2/(1+sqrt(1−(1+k)c2r2)]+A4r4+A6r6+.. (1)
(式中、zbaseは、ベース曲率(レンズ表面がz方向に延在する距離)であり、rは、光軸からの距離(x−y平面における半径方向距離)であり、cは、曲率であり、kは、円錐定数であり、かつAiは、非球面定数である)
によって記述され得る。ベース湾曲面の設計において適切な非球面定数を用いることにより、所望の球面収差が導入され得る。異なる量の負の球面収差が後面114にわたって導入され得る。あるいは、後面114全体が特定の負の球面収差を有し得る。従って、ベース湾曲面130は、少なくとも遠方焦点に対して所望のレベルの負の球面収差をもたらすように選択され得る。
zdiffractive=P2r2+P4r4+P6r6+... (2)
(式中、zdiffractiveは、回折構造120のz方向におけるプロファイルであり、rは、光軸からの距離(半径方向距離)であり、P2は、追加の屈折力を規定し、かつP4およびP6は、光分布を修正するパラメータである)
によって与えられる。エシェレット格子の幾何学的形状、従ってzdiffractiveを適切に構成することにより、所望量の正の球面収差が近方焦点に導入され得る。例えば、エシェレット格子122間の間隔を光軸からより離れる(より大きい半径)に従って変更することによって正の球面収差を導入し得る。
Claims (16)
- 前面、
後面、
少なくとも第1の焦点距離に対応する第1の焦点に対して第1の球面収差をもたらすための少なくとも1つの回折構造、および
少なくとも第2の焦点距離に対応する少なくとも第2の焦点に対して第2の球面収差をもたらすための少なくとも1つのベース湾曲面であって、前記第1の球面収差および前記第2の球面収差は、前記第1の焦点が第1の焦点球面収差を有し、および第2の焦点が第2の焦点球面収差を有するように構成されており、前記第1の焦点球面収差は、前記第2の焦点球面収差と符号が逆である、少なくとも1つのベース湾曲面
を含む、眼用レンズ。 - 前記回折構造は、前記第1の焦点に対する一次回折次数および前記第2の焦点に対する二次回折次数を含む、請求項1に記載の眼用レンズ。
- 前記眼用レンズは、少なくとも第3の焦点距離に対応する第3の焦点を有し、前記第3の焦点距離は、前記第1の焦点距離および前記第2の焦点距離と異なる、請求項1に記載の眼用レンズ。
- 前記少なくとも1つのベース湾曲面は、複数のゾーンを有し、前記複数のゾーンのそれぞれは、対応する屈折力および対応する球面収差を有する、請求項1に記載の眼用レンズ。
- 前記第1の焦点球面収差は、正の球面収差であり、および前記第2の焦点球面収差は、負の球面収差である、請求項1に記載の眼用レンズ。
- 前記少なくとも1つの回折構造は、前記前面に組み込まれ、および前記少なくとも1つのベース湾曲面は、前記後面に組み込まれている、請求項1に記載の眼用レンズ。
- 前記少なくとも1つの回折構造は、前記後面に組み込まれ、および前記少なくとも1つのベース湾曲面は、前記前面に組み込まれている、請求項1に記載の眼用レンズ。
- 前記少なくとも1つの回折構造および前記少なくとも1つのベース湾曲面は、単一の表面に組み込まれており、前記単一の表面は、前記後面および前記前面から選択される、請求項1に記載の眼用レンズ。
- 前記眼用レンズは、眼内レンズおよびコンタクトレンズから選択される、請求項1に記載の眼用レンズ。
- 前記第1の球面収差は、第1の大きさを有し、および前記第2の球面収差は、前記第1の大きさと異なる第2の大きさを有する、請求項1に記載の眼用レンズ。
- 前面、後面、少なくとも1つの回折構造、および少なくとも1つのベース湾曲面を含む眼用レンズであって、前記少なくとも1つの回折構造は、少なくとも第1の焦点距離に対応する第1の焦点に対して第1の球面収差をもたらすためのものであり、前記少なくとも1つのベース湾曲面は、少なくとも第2の焦点距離に対応する少なくとも第2の焦点に対して第2の球面収差をもたらすためのものであり、前記第1の球面収差および前記第2の球面は、前記第1の焦点が第1の焦点球面収差を有し、および前記第2の焦点が第2の焦点球面収差を有するように構成されており、前記第1の焦点球面収差は、前記第2の焦点球面収差と符号が逆である、眼用レンズ、および前記眼用レンズに結合された複数のハプティックを含む、眼用装置。
- 前記眼用レンズは、少なくとも第3の焦点距離に対応する第3の焦点を有し、前記回折構造は、前記第3の焦点に対して第3の球面収差をさらにもたらし、前記第3の焦点距離は、前記第1の焦点距離および前記第2の焦点距離と異なる、請求項11に記載の眼用装置。
- 前記第1の球面収差は、第1の大きさを有し、および前記第3の球面収差は、前記第1の大きさを下回る第2の大きさを有する、請求項12に記載の眼用装置。
- 患者の眼の状態を治療するための方法であって、
前記患者の眼に移植するための眼用装置を選択することであって、前記眼用装置は、前面、後面、少なくとも1つの回折構造、および少なくとも1つのベース湾曲面を有する眼用レンズを含み、前記少なくとも1つの回折構造は、少なくとも第1の焦点距離に対応する第1の焦点に対して第1の球面収差をもたらすためのものであり、前記少なくとも1つのベース湾曲面は、少なくとも第2の焦点距離に対応する少なくとも第2の焦点に対して第2の球面収差をもたらすためのものであり、前記第1の球面収差および前記第2の球面は、前記第1の焦点が第1の焦点球面収差を有し、および前記第2の焦点が第2の焦点球面収差を有するように構成されており、前記第1の焦点球面収差は、前記第2の焦点球面収差と符号が逆である、眼用装置を選択すること
前記患者の前記眼に前記眼用装置を移植すること
を含む、方法。 - 前記第1の焦点球面収差は、正の球面収差であり、および前記第2の焦点球面収差は、負の球面収差である、請求項14に記載の方法。
- 前記眼用レンズは、少なくとも第3の焦点距離に対応する第3の焦点を有し、前記回折構造は、前記第3の焦点に対して第3の球面収差をさらにもたらし、前記第3の焦点距離は、前記第1の焦点距離および前記第2の焦点距離と異なる、請求項15に記載の方法。
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JP2021187918A JP7346523B2 (ja) | 2016-02-24 | 2021-11-18 | 軽減された視覚的障害を有する多焦点レンズ |
JP2023144275A JP2023165744A (ja) | 2016-02-24 | 2023-09-06 | 軽減された視覚的障害を有する多焦点レンズ |
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US15/051,765 US10675146B2 (en) | 2016-02-24 | 2016-02-24 | Multifocal lens having reduced visual disturbances |
US15/051,765 | 2016-02-24 | ||
PCT/IB2017/050850 WO2017145014A1 (en) | 2016-02-24 | 2017-02-15 | Multifocal lens having reduced visual disturbances |
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JP2021187918A Division JP7346523B2 (ja) | 2016-02-24 | 2021-11-18 | 軽減された視覚的障害を有する多焦点レンズ |
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JP2019507624A true JP2019507624A (ja) | 2019-03-22 |
JP2019507624A5 JP2019507624A5 (ja) | 2020-03-26 |
JP6981987B2 JP6981987B2 (ja) | 2021-12-17 |
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JP2018542766A Active JP6981987B2 (ja) | 2016-02-24 | 2017-02-15 | 軽減された視覚的障害を有する多焦点レンズ |
JP2021187918A Active JP7346523B2 (ja) | 2016-02-24 | 2021-11-18 | 軽減された視覚的障害を有する多焦点レンズ |
JP2023144275A Pending JP2023165744A (ja) | 2016-02-24 | 2023-09-06 | 軽減された視覚的障害を有する多焦点レンズ |
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JP2023144275A Pending JP2023165744A (ja) | 2016-02-24 | 2023-09-06 | 軽減された視覚的障害を有する多焦点レンズ |
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US (4) | US10675146B2 (ja) |
EP (1) | EP3419561A1 (ja) |
JP (3) | JP6981987B2 (ja) |
CN (2) | CN112043460B (ja) |
AU (1) | AU2017222472B2 (ja) |
CA (1) | CA3008217C (ja) |
WO (1) | WO2017145014A1 (ja) |
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US11364111B2 (en) | 2022-06-21 |
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WO2017145014A1 (en) | 2017-08-31 |
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