JP6163640B2 - 眼用レンズの製造方法及び眼用レンズ - Google Patents
眼用レンズの製造方法及び眼用レンズ Download PDFInfo
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- JP6163640B2 JP6163640B2 JP2012116161A JP2012116161A JP6163640B2 JP 6163640 B2 JP6163640 B2 JP 6163640B2 JP 2012116161 A JP2012116161 A JP 2012116161A JP 2012116161 A JP2012116161 A JP 2012116161A JP 6163640 B2 JP6163640 B2 JP 6163640B2
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Description
(1)被覆層を形成するため、雌型Bに被覆層形成液を充填する工程。
(2)コンタクトレンズの内面を形成するための雄型Aを雌型Bに嵌合し、雌型B方向から雄型A方向に光を照射して被覆層形成液を硬化し、被覆層を形成する工程。
(3)雌型Bを外し、雄型Aに前面側が固着した被覆層の後面側に前記光を遮蔽する物質を付着させる工程。
(4)コンタクトレンズの外面を形成するための雌型Cにコンタクトレンズ形成液を充填する工程。
(5)前記光を遮蔽する物質を付着させた被覆層を有する雄型Aを雌型Cに嵌合し、光を遮蔽する物質が付着していない雌型C方向から光を遮蔽する物質が付着している雄型A方向に向かって前記光を照射し、コンタクトレンズ形成液を硬化し、硬化したコンタクトレンズ中間製品を形成する工程。
(6)雄型Aと雌型Cを開いて、前記光を遮蔽する物質を有する硬化したコンタクトレンズ中間製品を取り出す工程。
11 被覆層
12 光を遮蔽する物質
13 コンタクトレンズ形成液
14 光を遮蔽する物質を有するコンタクトレンズ中間製品
Claims (4)
- 虹彩付コンタクトレンズを製造する方法であって、
(A)雄型と雌型の何れか一方のレンズ形成面側の少なくとも一部に、硬化時に体積が3%以上収縮するレンズ形成液を硬化する際に使用する光を遮蔽する物質を、環状の1つの連続体又は複数の集合体として付着させる(商品名、規格等を表す記号や文字をレンズ形成液の光による硬化に影響しないように付着させる場合を除く)工程;
(B)前記雄型と前記雌型の間に、前記レンズ形成液を充填する工程;および
(C)前記光を照射して、前記レンズ形成液を硬化させる工程、を含み、
前記(C)工程において、少なくとも、前記光を遮蔽する物質が付着していない型の方向から前記光を遮蔽する物質が付着している型に向かって、前記光を照射することを特徴とする気泡不良を防ぐ虹彩付コンタクトレンズの製造方法。
- 前記(C)工程において、前記レンズ形成液に到達する前記光の強度は0.01〜100mW/cm2の強度で1秒〜100分間照射し、かつ、前記光を遮蔽する物質が付着している型の方向から前記光を遮蔽する物質が付着していない型に向かって照射されている強度より、前記光を遮蔽する物質が付着していない型の方向から前記光を遮蔽する物質が付着している型に向かって照射されている強度の方が、強いことを特徴とする請求項1記載の気泡不良を防ぐ虹彩付コンタクトレンズの製造方法。
- 前記光を遮蔽する物質が付着している型は、前記光を遮蔽する物質と該型との間に被覆層を有することを特徴とする請求項1乃至2に記載の気泡不良を防ぐ虹彩付コンタクトレンズの製造方法。
- 前記被覆層は、少なくとも、コンタクトレンズの一方の側の全ての光学面を覆うことを特徴とする請求項3記載の気泡不良を防ぐ虹彩付コンタクトレンズの製造方法。
以上
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JP2012116161A JP6163640B2 (ja) | 2012-05-22 | 2012-05-22 | 眼用レンズの製造方法及び眼用レンズ |
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JP6163640B2 true JP6163640B2 (ja) | 2017-07-19 |
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JP2012116161A Active JP6163640B2 (ja) | 2012-05-22 | 2012-05-22 | 眼用レンズの製造方法及び眼用レンズ |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPWO2014073568A1 (ja) * | 2012-11-09 | 2016-09-08 | 株式会社メニコンネクト | 内面側層が薄い着色コンタクトレンズ及びその製造方法 |
JP6768828B2 (ja) * | 2016-04-20 | 2020-10-14 | クーパーヴィジョン インターナショナル ホウルディング カンパニー リミテッド パートナーシップ | シリコーンエラストマー−シリコーンヒドロゲルハイブリッドコンタクトレンズ |
US10139521B2 (en) * | 2016-04-20 | 2018-11-27 | Coopervision International Holding Company, Lp | Silicone elastomer-hydrogel hybrid contact lenses |
Family Cites Families (3)
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US5018849A (en) * | 1988-11-16 | 1991-05-28 | Ciba-Geigy Corporation | Colored contact lens and methods of making the same |
TW479149B (en) * | 1998-08-12 | 2002-03-11 | Innova Vision Inc | Method for coloring lens of contact lens and lens thereof |
EP1657041B1 (en) * | 2003-08-19 | 2008-05-14 | Menicon Co., Ltd. | Process for producing contact lens with marking and contact lens with marking obtained thereby |
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