JPWO2021090169A5 - - Google Patents
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- JPWO2021090169A5 JPWO2021090169A5 JP2022520551A JP2022520551A JPWO2021090169A5 JP WO2021090169 A5 JPWO2021090169 A5 JP WO2021090169A5 JP 2022520551 A JP2022520551 A JP 2022520551A JP 2022520551 A JP2022520551 A JP 2022520551A JP WO2021090169 A5 JPWO2021090169 A5 JP WO2021090169A5
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- meth
- vinyl
- ethyl
- ethylene glycol
- contact lens
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Claims (19)
(1)凹面と、反対側の凸面とを有し、且つレンズバルク材料と、前面及び後面上且つ/又はそれらの近傍の第1の反応性官能基とを含むコンタクトレンズ前駆体を得る工程であって、前記第1の反応性官能基は、カルボキシル基、アミノ基、アゼチジニウム基、エポキシド基、アジリジン基、ビニルスルホン基、チオール基及びこれらの組み合わせからなる群から選択される、工程;
(2)前記コンタクトレンズ前駆体の前記凹面が上を向く一方、前記凸面が下を向くことを確実にするための位置において、容器内に前記コンタクトレンズ前駆体を配置する工程;
(3)前記凹面を上向きに維持しながら、前記コンタクトレンズ前駆体を前記容器内の水溶液に完全に浸漬するための量において、前記水溶液を前記コンタクトレンズ前駆体の前記凹面に投与する工程であって、前記水溶液は、室温を有し、且つ少なくとも1種の親水性ポリマー系材料を含み、前記少なくとも1種の親水性ポリマー系材料は、それぞれ前記室温より高い温度で1つの第1の反応性官能基と反応して共有結合を形成することができる第2の反応性官能基を含み、前記第2の反応性官能基は、カルボキシル基、アミノ基、アゼチジニウム基、エポキシド基、アジリジン基、ビニルスルホン基、チオール基及びこれらの組み合わせからなる群から選択される、工程;及び
(4)前記コンタクトレンズ前駆体をその中に有する前記水溶液の温度を約35℃~約140℃の温度に上げて、前記コンタクトレンズを形成する工程
を含み、
前記コンタクトレンズは、外面ヒドロゲル層で被覆された前記レンズバルク材料を含み、前記外面ヒドロゲル層は、前面外側ヒドロゲル層と、後面外側ヒドロゲル層とからなり、前記外側後面ヒドロゲル層は、少なくとも約1.2のインデンテーション深さの比
を有することによって特徴付けられるように、前記外側前面ヒドロゲル層よりも柔軟であり、式中、(Id) PS は、ナノインデンテーション試験において、9.5μmの先端半径及び0.54N/mの剛性を有するインデンテーションプローブを用いて、前記後面に対して5KPaの圧縮圧力で測定されるインデンテーション深さであり、(Id) AS は、ナノインデンテーション試験において、9.5μmの先端半径及び0.54N/mの剛性を有するインデンテーションプローブを用いて、前記前面に対して5KPaの圧縮圧力で測定されるインデンテーション深さであり、前記コンタクトレンズは、少なくとも10秒の水切れ時間を有する、方法。 A method of manufacturing a contact lens, comprising:
(1) obtaining a contact lens precursor having a concave surface and an opposite convex surface and comprising a lens bulk material and first reactive functional groups on and/or near the anterior and posterior surfaces; wherein said first reactive functional group is selected from the group consisting of carboxyl groups, amino groups, azetidinium groups, epoxide groups, aziridine groups, vinyl sulfone groups, thiol groups and combinations thereof;
(2) placing the Contact Lens Precursor in a container in a position to ensure that the convex surface faces downward while the concave surface of the Contact Lens Precursor faces upward;
(3) administering the aqueous solution to the concave surface of the contact lens precursor in an amount to completely immerse the contact lens precursor in the aqueous solution in the container while maintaining the concave surface facing upward; wherein said aqueous solution has a room temperature and comprises at least one hydrophilic polymer-based material, said at least one hydrophilic polymer-based material each having a first reactive property above said room temperature; a second reactive functional group capable of reacting with the functional group to form a covalent bond, the second reactive functional group being a carboxyl group, an amino group, an azetidinium group, an epoxide group, an aziridine group, a vinyl (4) raising the temperature of said aqueous solution having said contact lens precursor therein to a temperature of from about 35°C to about 140°C; , forming the contact lens ;
The contact lens comprises the lens bulk material coated with an outer hydrogel layer, the outer hydrogel layer consisting of an anterior outer hydrogel layer and a posterior outer hydrogel layer, wherein the outer posterior hydrogel layer comprises at least about 1.5. ratio of two indentation depths
is softer than the outer front hydrogel layer, as characterized by having a tip radius of 9.5 μm and a stiffness of 0.54 N/m in the nanoindentation test. (Id) AS is the indentation depth measured at a compressive pressure of 5 KPa against the posterior surface using an indentation probe with a tip radius of 9.5 μm and a tip radius of 0.5 KPa in the nanoindentation test . A method wherein the indentation depth is measured at a compressive pressure of 5 KPa against said anterior surface using an indentation probe with a stiffness of 54 N/m and said contact lens has a water-out time of at least 10 seconds.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962930163P | 2019-11-04 | 2019-11-04 | |
US62/930,163 | 2019-11-04 | ||
PCT/IB2020/060316 WO2021090169A1 (en) | 2019-11-04 | 2020-11-03 | Contact lenses with surfaces having different softness |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023500192A JP2023500192A (en) | 2023-01-05 |
JPWO2021090169A5 true JPWO2021090169A5 (en) | 2023-09-01 |
Family
ID=73288662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022520551A Pending JP2023500192A (en) | 2019-11-04 | 2020-11-03 | Contact lenses with surfaces with different flexibility |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210132411A1 (en) |
EP (1) | EP4017346A1 (en) |
JP (1) | JP2023500192A (en) |
CN (1) | CN114502362B (en) |
WO (1) | WO2021090169A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220026601A1 (en) * | 2020-07-22 | 2022-01-27 | National Yang Ming Chiao Tung University | Surface-modified contact lens, method of preparing the same, and method of modifying surface of polymeric material |
JP2023006537A (en) * | 2021-06-30 | 2023-01-18 | 株式会社コーセー | Copolymer and cosmetic product including the same |
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CA3033596C (en) | 2016-10-11 | 2021-02-09 | Novartis Ag | Polymerizable polydimethylsiloxane-polyoxyalkylene block copolymers |
KR20200098540A (en) | 2017-12-13 | 2020-08-20 | 알콘 인코포레이티드 | Water gradient contact lenses for week and month wear |
-
2020
- 2020-11-03 US US17/087,963 patent/US20210132411A1/en active Pending
- 2020-11-03 EP EP20804349.7A patent/EP4017346A1/en active Pending
- 2020-11-03 JP JP2022520551A patent/JP2023500192A/en active Pending
- 2020-11-03 WO PCT/IB2020/060316 patent/WO2021090169A1/en unknown
- 2020-11-03 CN CN202080069161.XA patent/CN114502362B/en active Active
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