JP2010125292A5 - Multifocal intraocular lens manufacturing method - Google Patents
Multifocal intraocular lens manufacturing method Download PDFInfo
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- JP2010125292A5 JP2010125292A5 JP2008306863A JP2008306863A JP2010125292A5 JP 2010125292 A5 JP2010125292 A5 JP 2010125292A5 JP 2008306863 A JP2008306863 A JP 2008306863A JP 2008306863 A JP2008306863 A JP 2008306863A JP 2010125292 A5 JP2010125292 A5 JP 2010125292A5
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本発明は、患者眼の眼内に設置する眼内レンズに複数の焦点を持たせた多焦点眼内レンズの製造方法に関する。 The present invention relates to a method for manufacturing a multifocal intraocular lens in which an intraocular lens placed in a patient's eye has a plurality of focal points.
上記課題を解決するために、本発明は以下のようなステップで構成される方法を持つことを特徴とする。また、以下のような構成を備えることを特徴とする。
（１） 第１の屈折力を持つ第１光学領域と該第１の屈折力と異なる第２の屈折力を持つ第２光学領域とが形成された光学部を有する多焦点眼内レンズの作製方法において、前記光学部となる平板形状又はレンズ形状の基板の面を周辺から幾何中心に向けて延びる境界線により複数の領域に分割し，該分割した複数の領域のうち所定の領域に前記第１光学領域を形成するために微小な溝を第１パターンにて複数掘り込む第１ステップと、前記第１光学領域に隣接する他の領域に第２光学領域を形成する第２ステップであって，前記第２光学領域として前記第１パターンとは異なる第２パターンにて微小な溝を複数掘り込む第２ステップと、を有することを特徴とする。
（２） （１）の多焦点眼内レンズの製造方法において、前記第１及び第２ステップでは前記第１及び第２光学領域は前記光学部の前面に形成し、さらに前記光学部の後面に所定の曲面を形成するために切削加工をする第３ステップを有することを特徴とする。
（３） 第１の屈折力を持つ第１光学領域と該第１の屈折力と異なる第２の屈折力を持つ第２光学領域とが形成された光学部を有する多焦点眼内レンズの作製方法において、前記光学部の面を周辺から幾何中心に向けて延びる境界線により複数の領域に分割し，該分割した複数の領域のうち所定の領域に第１光学領域を形成するために第１光学領域対応パターンにて微小な溝を鋳型基材に掘り込み第１光学領域用鋳型を形成する第１ステップと、前記第１光学領域に隣接する他の領域に前記第２光学領域を形成するために第２光学領域用鋳型を前記鋳型基材に形成する第２ステップであって，前記光学部で前記第２光学領域を形成するに第２光学領域対応パターンにて微小な溝を鋳型基材に掘り込み第２光学領域用鋳型を形成して，前記光学部を形成するための鋳型を得る第２ステップと、前記鋳型にて前記光学部となる基材をモールド加工し前記光学部を得る第３ステップと、を有することを特徴とする。
（４） （３）の多焦点眼内レンズの製造方法において、前記第２ステップは前記第１及び第２光学領域が前記光学部の前面に形成されるように前記鋳型を得るステップであることを特徴とする。
In order to solve the above problems, the present invention is characterized by having a method comprising the following steps. Moreover, it is characterized by comprising the following configurations.
(1) Production of a multifocal intraocular lens having an optical part in which a first optical region having a first refractive power and a second optical region having a second refractive power different from the first refractive power are formed In the method, the surface of the plate-shaped or lens-shaped substrate serving as the optical unit is divided into a plurality of regions by a boundary line extending from the periphery toward the geometric center, and the first region is divided into a predetermined region among the plurality of divided regions. A first step of digging a plurality of minute grooves in a first pattern to form one optical region, and a second step of forming a second optical region in another region adjacent to the first optical region, , And a second step of digging a plurality of minute grooves with a second pattern different from the first pattern as the second optical region.
(2) In the method for manufacturing a multifocal intraocular lens according to (1), in the first and second steps, the first and second optical regions are formed on the front surface of the optical unit, and further on the rear surface of the optical unit. It has the 3rd step which cuts in order to form a predetermined curved surface, It is characterized by the above-mentioned.
(3) Production of a multifocal intraocular lens having an optical part in which a first optical region having a first refractive power and a second optical region having a second refractive power different from the first refractive power are formed. In the method, the surface of the optical unit is divided into a plurality of regions by boundary lines extending from the periphery toward the geometric center, and a first optical region is formed in a predetermined region among the plurality of divided regions. A first step of forming a first optical region mold by digging a minute groove in the mold base with an optical region corresponding pattern, and forming the second optical region in another region adjacent to the first optical region Therefore, in the second step of forming the second optical region mold on the mold base material, a minute groove is formed on the template base in the second optical region corresponding pattern to form the second optical region by the optical unit. Forming a second optical region mold into the material, A second step of obtaining a mold for forming the optical part, and a third step of molding the base material to be the optical part by the mold to obtain the optical part.
(4) In the method for manufacturing a multifocal intraocular lens according to (3), the second step is a step of obtaining the mold so that the first and second optical regions are formed on the front surface of the optical unit. It is characterized by.
Claims (4)
前記光学部となる平板形状又はレンズ形状の基板の面を周辺から幾何中心に向けて延びる境界線により複数の領域に分割し，該分割した複数の領域のうち所定の領域に前記第１光学領域を形成するために微小な溝を第１パターンにて複数掘り込む第１ステップと、
前記第１光学領域に隣接する他の領域に第２光学領域を形成する第２ステップであって，前記第２光学領域として前記第１パターンとは異なる第２パターンにて微小な溝を複数掘り込む第２ステップと、
を有することを特徴とする多焦点眼内レンズの製造方法。 In a method for producing a multifocal intraocular lens having an optical part in which a first optical region having a first refractive power and a second optical region having a second refractive power different from the first refractive power are formed.
The surface of the flat plate-shaped or lens-shaped substrate serving as the optical unit is divided into a plurality of regions by a boundary line extending from the periphery toward the geometric center, and the first optical region is divided into a predetermined region among the plurality of divided regions. A first step of digging a plurality of minute grooves in a first pattern to form
A second step of forming a second optical region in another region adjacent to the first optical region, wherein a plurality of minute grooves are dug in a second pattern different from the first pattern as the second optical region; The second step
A method for producing a multifocal intraocular lens, comprising:
前記光学部の面を周辺から幾何中心に向けて延びる境界線により複数の領域に分割し，該分割した複数の領域のうち所定の領域に第１光学領域を形成するために第１光学領域対応パターンにて微小な溝を鋳型基材に掘り込み第１光学領域用鋳型を形成する第１ステップと、
前記第１光学領域に隣接する他の領域に前記第２光学領域を形成するために第２光学領域用鋳型を前記鋳型基材に形成する第２ステップであって，前記光学部で前記第２光学領域を形成するに第２光学領域対応パターンにて微小な溝を鋳型基材に掘り込み第２光学領域用鋳型を形成して，前記光学部を形成するための鋳型を得る第２ステップと、
前記鋳型にて前記光学部となる基材をモールド加工し前記光学部を得る第３ステップと、
を有することを特徴とする多焦点眼内レンズの製造方法。 In a method for producing a multifocal intraocular lens having an optical part in which a first optical region having a first refractive power and a second optical region having a second refractive power different from the first refractive power are formed.
The surface of the optical unit is divided into a plurality of regions by a boundary line extending from the periphery toward the geometric center, and the first optical region is formed to form a first optical region in a predetermined region among the plurality of divided regions A first step of digging a minute groove in the pattern into the mold substrate to form a mold for the first optical region;
A second step of forming a second optical region mold on the template base material to form the second optical region in another region adjacent to the first optical region, wherein the second optical portion is formed by the optical unit; A second step of obtaining a mold for forming the optical part by forming a second optical area mold by digging a minute groove in the mold base material in a pattern corresponding to the second optical area to form an optical area; ,
A third step of obtaining the optical part by molding a base material to be the optical part in the mold;
A method for producing a multifocal intraocular lens, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008306863A JP5410739B2 (en) | 2008-12-01 | 2008-12-01 | Multifocal intraocular lens manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008306863A JP5410739B2 (en) | 2008-12-01 | 2008-12-01 | Multifocal intraocular lens manufacturing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010125292A JP2010125292A (en) | 2010-06-10 |
| JP2010125292A5 true JP2010125292A5 (en) | 2012-01-19 |
| JP5410739B2 JP5410739B2 (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008306863A Expired - Fee Related JP5410739B2 (en) | 2008-12-01 | 2008-12-01 | Multifocal intraocular lens manufacturing method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG188193A1 (en) * | 2010-09-27 | 2013-04-30 | Johnson & Johnson Vision Care | Translating presbyopic contact lens |
| JP5992419B2 (en) * | 2010-09-27 | 2016-09-14 | ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッドＪｏｈｎｓｏｎ ＆ Ｊｏｈｎｓｏｎ Ｖｉｓｉｏｎ Ｃａｒｅ， Ｉｎｃ． | Translational contact lenses for presbyopia |
| EP2813881B1 (en) * | 2012-02-09 | 2016-07-06 | Menicon Co., Ltd. | Diffraction-type multifocal ophtalmic lens and manufacturing method therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3332313A1 (en) * | 1983-09-07 | 1985-04-04 | Titmus Eurocon Kontaktlinsen GmbH, 8750 Aschaffenburg | MULTIFOCAL, ESPECIALLY BIFOCAL, INTRAOCULAR ARTIFICIAL EYE LENS |
| US4881805A (en) * | 1987-11-12 | 1989-11-21 | Cohen Allen L | Progressive intensity phase bifocal |
| US5528321A (en) * | 1992-11-23 | 1996-06-18 | Innotech, Inc. | Method of manufacturing contact lenses |
| JP2000122006A (en) * | 1998-10-16 | 2000-04-28 | Menicon Co Ltd | Multifocus type ocular lens |
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