CN112638325A - 混合调节性眼内透镜及其使用方法 - Google Patents
混合调节性眼内透镜及其使用方法 Download PDFInfo
- Publication number
- CN112638325A CN112638325A CN201980057095.1A CN201980057095A CN112638325A CN 112638325 A CN112638325 A CN 112638325A CN 201980057095 A CN201980057095 A CN 201980057095A CN 112638325 A CN112638325 A CN 112638325A
- Authority
- CN
- China
- Prior art keywords
- optical element
- deformable
- deformable optical
- intraocular lens
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 230000002350 accommodative effect Effects 0.000 title description 3
- 230000003287 optical effect Effects 0.000 claims abstract description 161
- 239000012530 fluid Substances 0.000 claims description 22
- 230000001886 ciliary effect Effects 0.000 claims description 10
- 206010049816 Muscle tightness Diseases 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 230000004313 glare Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000284 resting effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
- A61F2/1648—Multipart lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
- A61F2/1624—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 adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
- A61F2/1624—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 adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside
- A61F2/1635—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 adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside for changing shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
-
- G—PHYSICS
- 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
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
- A61F2002/1681—Intraocular lenses having supporting structure for lens, e.g. haptics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- 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
- A61F2002/1681—Intraocular lenses having supporting structure for lens, e.g. haptics
- A61F2002/1682—Intraocular lenses having supporting structure for lens, e.g. haptics having mechanical force transfer mechanism to the lens, e.g. for accommodating lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0018—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
-
- G—PHYSICS
- 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
- G02C7/04—Contact lenses for the eyes
-
- G—PHYSICS
- 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
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/085—Fluid-filled lenses, e.g. electro-wetting lenses
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
Abstract
一种眼内透镜,其具有位于两个光学元件之间的空气填充的可塌缩腔体,其中空气在受外力压缩之后从所述可塌缩腔体的光学区传递到其周边触觉区。
Description
相关申请的引用
本发明涉及申请人的如以下国际申请公布所公开的可膨胀透镜/透镜保持器:2009年2月19日公布的名称为INFLATABLE INTRA-OCULAR LENS/LENS RETAINER的国际申请公布号WO 2009/021327和2014年8月14日公布的名称为EXPANDABLE SUSPENSION SYSTEMSFOR INTRA-OCULAR LENSES的国际申请公布号WO 2014/021391以及2009年2月19日公布的名称为PNEUMATIC INTRA-OCULAR LENS的国际申请公布号WO 2009/021326。
技术领域
本发明涉及可响应于睫状肌/小带/晶状体囊复合体对眼睛内的自然晶状体空间施加的张力而改变曲率的眼内透镜。
背景技术
眼内透镜已经出现,其具有在晶状体摘除后重新唤起睫状肌/悬韧带/晶状体囊复合体的自然动力学的能力,从而允许老花眼恢复其将焦点从远处变换到近处的能力。在此竞争性领域中,通过眼内小角膜切口插入这些新透镜类型的能力备受关注。
当前,液体填充的眼内透镜(诸如由Power Vision Corporation制造的称为FluidLensTM的研究装置)表现出多种局限性。在眼睛将焦点从近处变换到远处的日常活动期间,滞留在这些透镜类型内部的液体被压缩并传递到装置的各个区。这种重复动作使得将装置保持在一起的密封边缘很容易随时间推移而破裂。这种倾向由于液体腐蚀并削弱将装置的密封边缘保持在一起的粘性结合的趋势而加强。进一步讲,液体填充的眼内透镜往往笨重且难以插入,从而使得其在插入过程期间特别容易损坏,这需要将液体压缩并通过狭窄的小管分流,然后释放到眼睛内的自然晶状体空间中。
空气填充的眼内透镜薄于液体填充的眼内透镜,并且因此通常更容易插入。其没有液体干扰将其结构部件保持在一起的粘性结合的完整性;然而,其固有地受内部反射和眩光的困扰。除了这种烦恼之外,甚至大气压力的小变化也可能潜在地改变其屈光特性。鉴于当今的调节性眼内透镜设计选项面临的局限性,需要进行改进。
相关技术的前述实例意图是说明性的且非排他性的。在阅读本说明书和研究附图后,相关技术的其他局限性对于本领域技术人员将变得显而易见。
发明内容
结合意在是示例性和说明性而非限制范围的系统、工具和方法来描述和说明以下实施方案及其方面。在各种实施方案中,已经减少或消除了上述问题中的一个或多个,而其他实施方案涉及其他改进。
根据一个实施方案,提供了一种混合眼内透镜,所述混合眼内透镜包括固体光学元件和流体填充的光学元件(诸如空气填充的光学元件)两者,并且其在调节期间从固体光学元件转变到部分流体或空气填充的光学元件。根据一个实施方案,部分空气填充的眼内透镜包括在一侧上由相对不可变形光学元件包围的中空的空气填充的透镜隔室,所述相对不可变形光学元件在其凸起顶点处与相对可变形的第二光学元件相遇。可变形光学元件的接触不可变形光学元件的顶点的表面的形状轮廓可具有各种构型:平坦、凸起、凹入、多焦点或非球面,条件是:当装置处于其惯常静止状态时,空气空间处在光学元件的剩余部分之间。两个光学元件的触觉件会聚以彼此连接并围绕其周边结合在一起,从而限定中空的空气填充的隔室的大小和形状。如同两个光学元件一样,空气填充的隔室由此包括光学区和触觉区。
当通过反向外力将两个光学元件的光学区的周边区压在一起时,可变形光学元件弯折以与不可变形光学元件的形状一致。在此过程期间,通常占据两个光学区之间的空间的空气向外朝向触觉件之间的空气空间移位。当将足够的反向力递送到两个光学元件的光学区时,光学区的内表面对齐并连接,并且能够随后分离而不粘合。此时,实现了本发明的两个方面。首先,透镜对的光学区不再具有产生内部反射和眩光的空气界面。其次,眼睛可保持聚焦于远处对象而不受大气压力变化的影响。通过具有可变形特性的一个或两个光学元件可实现此过程。
径向狭槽可环绕可变形光学元件的光学区的周边设置在可变形光学元件的下表面中,连接到与可变形光学元件中的圆周通道,以允许空气在光学区与空气填充的隔室的触觉区之间自由地循环。这种通道以及径向狭槽的网络是设计的任选特征,其还提供用于控制当球形壳体被迫改变其形状时可能发生的材料变形的手段。径向狭槽的宽度可选择为根据需要改变空气的流动。
更具体地,根据一个实施方案,提供了一种部分空气填充的眼内透镜,其包括:第一不可变形光学元件,所述第一不可变形光学元件围绕其周边密封到第二可变形光学元件,从而形成密封的空气填充的可塌缩腔体,所述第一不可变形光学元件和所述第二可变形光学元件各自具有中心光学区以及第一触觉区和第二触觉区,所述第一触觉区和所述第二触觉区与所述第一不可变形光学元件和所述第二可变形光学元件中的相应一者相关联并且各自密封地连接到另一者以形成所述密封的周边。所述第一光学元件在其内表面上具有凸起形状,并且所述凸起内表面的顶点压靠所述可变形光学元件的所述中心区,从而在所述第一光学元件和所述第二光学元件的所述光学区之间的剩余区域中留有空气空间。
根据另一方面,所述密封的空气填充的可塌缩腔体可包括:光学区,所述光学区位于所述第一光学元件和所述第二光学元件的所述光学区之间;以及触觉区,所述触觉区位于所述光学区与所述触觉区的所述密封的周边之间,其中所述空气填充的可塌缩腔体具有至少一个开口,所述至少一个开口在所述光学区与所述触觉区之间连通,由此当由睫状肌张力生成的外力指向所述光学元件的所述光学区的所述周边时,所述空气填充的腔体的所述光学区受到压缩,从而通过所述连通通道将其内的空气朝向所述空气填充的腔体的所述触觉区排出,并且所述第一光学元件和所述第二光学元件的所述光学表面由此彼此抵靠压缩,从而将眼睛聚焦于远处对象,并且由此当所述睫状肌张力减小时,所述可变形光学元件的弹性致使所述压缩减小。根据另一方面,在所述光学区与所述触觉区之间连通的所述至少一个开口可包括将多个径向通道互连的圆形通道。
根据另一方面,一种提供用于在眼睛的晶状体囊中更换的调节性眼内透镜的方法,其通过提供具有前述特征的透镜结合用于将所述睫状肌张力传递到所述透镜的眼内结构来提供。
通过本发明的光学配置,这种透镜设计经受内部反射和眩光的唯一时刻是空气重新进入到两个光学元件之间的空间中时。当两个光学元件的内部光学表面被构造成具有相对短的曲率半径时,可减小这种眩光潜在性。通过将光学元件在眼睛内定向成使得不可变形光学元件定位在可变形光学元件的前面,可进一步减小这种眩光潜在性。
除了以上描述的示例性方面和实施方案之外,其他方面和实施方案通过参考附图及研究以下详述将变得显而易见。尽管将空气描述为容纳在混合透镜的隔室中的气体,但可替换为其他透明气体或液体(统称为流体),从而导致屈光指数发生变化。
附图说明
在附图的参考图中示出示例性实施方案。本文所公开的实施方案和附图意图被视为说明性的而非限制性的。
图1是根据一个实施方案的空气填充的眼内透镜的平面图。
图2是沿着图1的线A-A截取的详细剖视图,其示出眼内透镜处于其将眼睛聚焦于近处对象的静止或低能量配置。
图3是沿着图1的线A-A截取的详细剖视图,其示出眼内透镜处于其将眼睛聚焦于远处对象的压缩或高能量配置。
图4是沿着图1的线B-B截取的详细剖视图,其示出眼内透镜处于其将眼睛聚焦于近处对象的静止或低能量配置。
图5是沿着图1的线B-B截取的详细剖视图,其示出眼内透镜处于其将眼睛聚焦于远处对象的压缩或高能量配置。
图6是图1所示的空气填充的眼内透镜的俯视左侧透视图。
图7是图1所示的空气填充的眼内透镜的仰视左侧透视图。
具体实施方式
在以下整个描述中,阐述了具体细节以便向本领域技术人员提供更透彻的了解。然而,可能没有示出或详细描述众所周知的元件,以免不必要地使本公开模糊不清。因此,描述和附图被认为是说明性的而不是限制性的意义。在本描述和权利要求书中,在使用术语“液体”的情况下,其包括空气和其他气体以及液体。
图1示出空气填充的眼内透镜10的平面图。眼内透镜10可由具有中心圆形透明光学区的可变形光学元件30和具有中心圆形透明光学区的不可变形光学元件32形成。眼内透镜10可基本上或完全由透明材料形成。眼内透镜10的可变形光学元件30在其下表面33上外接圆形沟槽或通道12。圆形沟槽或通道12连接到在光学元件30的下表面31中形成的径向狭槽14的网络。眼内透镜10的周边外接密封件16,所述密封件16密封触觉件20和22的外边缘。眼内透镜10的可变形光学元件30和不可变形光学元件32的触觉件20、22分别在密封件16与通道12之间延伸。
图2示出沿着图1的线A-A截取的空气填充的眼内透镜10处于其将眼睛聚焦于近处对象的调节后或静止状态的剖视图。在该状态下,可变形光学元件30和不可变形光学元件32仅在不可变形光学元件32的顶点40处接触。类似地,这在图4中示出,图4是沿着图1的线B-B截取的空气填充的眼内透镜10处于其调节后或静止状态的剖视图。
图3示出沿着图1的线A-A截取的空气填充的眼内透镜10的剖视图,其中睫状肌将力矢量X施加在眼内透镜10上(如名称为“INFLATABLE INTRA-OCULAR LENS/LENSRETAINER”的所引用国际申请公布号WO 2009/021327所描述)以将透镜调节至聚焦于远处对象或近处对象。
在操作中,图2所示的调节后配置表示眼内透镜10的惯常低能量状态。环形空气填充的隔室18的光学区内空气的存在用作“空气透镜”。当可变形光学元件30响应于如图3中的力矢量X所示的外力而弯折以与不可变形光学元件32的上表面35的形状一致时,可变形光学元件30的内表面33变得更凹入,而同时,外表面31变得更凸出。这些对应的曲率变化使彼此的屈光影响无效。然而,在可变形光学元件30的形状改变的同时,空气透镜18被夹在在光学元件30、32之间的形状相应地变得更凹入,并且与可变形光学元件30的外表面31并置的液水界面的形状同样变得更凸出。空气透镜/光学元件界面的屈光指数差比水/光学元件界面的屈光指数差大两倍半以上。因此,随着可变形光学元件30的外表面31的凸度增大(如其在图3和图5所示的其高能量配置中一样),结果是显著降低总体透镜屈光度。因此,揭示了明显的悖论;当眼内透镜的中心厚度增大时,眼睛聚焦于远处对象。
如图2至图5中的横截面所示,当可变形光学元件30的光学区被图3和图5中由力矢量X表示的外力压缩时,从空气填充的隔室18的光学区17排出的空气传递到空气填充的隔室18的触觉区28。在此过程期间,通常占据光学区30的下表面33与光学区32的上表面35之间的空间17的空气向外朝向触觉件20、22之间的空气空间28移位。当将足够的反向力递送到两个光学元件30、32的光学区时,光学区的内表面33、35对齐并连接,从而使空间17塌缩,并且能够随后分离而不粘合以重新产生空间17。此时,实现了本发明的两个方面。首先,透镜对的光学区不再具有产生内部反射和眩光的空气界面。当两个光学元件30、32的相对光学表面33、35被构造成具有相对短的曲率半径时,可减小这种眩光潜在性。通过将光学元件在眼睛内定向成使得不可变形光学元件定位在可变形光学元件的前面,可进一步减小这种眩光潜在性。其次,眼睛可保持聚焦于远处对象而不受大气压力变化的影响。通过具有可变形特性的两个光学元件30、32也可实现此过程。当所述睫状肌张力减小时,可变形光学元件30的弹性导致压缩减小,从而导致表面33和35返回到将眼睛聚焦于近处对象的静止状态。
空气从可变形光学元件30的位于表面33附近的光学区的周边快速且均匀的传递通过径向狭槽14来实现,所述径向狭槽14将空气携载到通道12,之后经由圆形通道12将空气均匀分布在空气填充的隔室18的环形触觉区28周围。因此,连接到圆周通道12的径向狭槽14可环绕光学元件30的光学区的周边,以允许空气在光学区17与空气填充的隔室18的触觉区28之间自由地循环。替代地或另外地,径向狭槽14或圆周通道12或两者可形成在不可变形光学元件32的光学区的周边的上表面中,以类似地允许空气在光学区17与空气填充的隔室18的触觉区28之间自由地循环。这种通道以及径向狭槽的网络是设计的任选特征,其还提供用于控制当球形壳体被迫改变其形状时可能发生的材料变形的手段。径向狭槽14和通道12的宽度可选择为根据需要改变空气的流动。
衬于中空腔体的各种形状的光学表面可选择为匹配任何个别眼睛的特定光学要求,以调整聚焦于眼睛内的图像的光学分辨率或扩展眼睛的聚焦范围。
可变形光学元件30的横截面形状轮廓可定制为加快其形状恢复时间。例如,可变形光学元件30的与不可变形光学元件32的上表面33在其顶点处接触的下表面33的形状轮廓可具有各种构型:平坦、凸起、凹入、多焦点或非球面,条件是:当装置处于其惯常静止状态时,空气空间处在光学元件的剩余部分之间。
柔软的支撑结构可安装在两个光学界面中的任一者的光学区的周边上以减少它们之间发生吸附或粘合的风险,这可潜在地将其光学表面结合在一起,从而使可变形光学元件30不能移动。
虽然在图2和图4所示出的实施方案中可变形光学元件30和不可变形光学元件32在处于静止状态时仅在不可变形光学元件32的顶点40处接触,但在其他实施方案中静止状态下的接触点除了位于光学元件的中心顶点之外还可位于其他位置(例如位于周边上)。参见例如申请人的名称为“Method and Apparatus for Modulating Prism and CurvatureChange of Refractive Interfaces”的国际申请公布号WO 2013/126986 Al中展示的结构,所述国际申请以引用的方式并入本文。
构造光学元件所需的材料是具有强记忆特性从而在被压缩、拉伸或以其他方式变形之后容易恢复其原始大小和形状的弹性织物。通常用于眼内透镜制造的具有良好形状记忆特性的材料包括但不限于以下分类:硅酮、硅酮水凝胶、疏水性和亲水性丙烯酸、聚乙烯、聚丙烯、聚氨酯和这些材料的共嵌段聚合物。
本发明的总体意图是根据需要去除和更换眼内透镜的光学区内的空气光学界面以允许人眼恢复其有效且可预测地将焦点从远处变换到近处以及之间的所有点的固有能力。
虽然上面已经讨论了数个示例性方面和实施方案,但本领域技术人员将认识到其某些修改、置换、添加和子组合。例如,虽然已经将空气描述为容纳在隔室18中的流体,但可替换为其他透明气体或液体,从而导致屈光指数发生变化。因此,意图将以下所附权利要求和此后引入的权利要求解释为包括与整篇说明书的最宽泛解释一致的所有此类修改、置换、添加和子组合。
Claims (9)
1.一种部分流体填充的眼内透镜,其包括:第一不可变形光学元件,所述第一不可变形光学元件围绕其周边密封到第二可变形光学元件,从而形成密封的流体填充的可塌缩腔体,所述第一不可变形光学元件和所述第二可变形光学元件各自具有中心透明光学区以及第一触觉区和第二触觉区,所述第一触觉区和所述第二触觉区与所述第一不可变形光学元件和所述第二可变形光学元件中的相应一者相关联并且各自密封地连接到另一者以形成密封的所述周边,其中所述第一不可变形光学元件在其上表面上具有凸起形状,并且凸起的所述上表面的接触区压靠所述第二可变形光学元件的接触区,从而在所述第一不可变形光学元件的所述光学区和所述第二可变形光学元件的所述光学区之间的剩余区域中留有空气空间。
2.如权利要求1所述的眼内透镜,其中所述密封的流体填充的可塌缩腔体包括:光学区,所述光学区位于所述第一不可变形光学元件的光学区和所述第二可变形光学元件的光学区之间;以及触觉区,所述触觉区位于所述密封的流体填充的可塌缩腔体的光学区与所述第一触觉区和第二触觉区的密封的所述周边之间,其中所述密封的流体填充的可塌缩腔体具有至少一个通道,所述至少一个通道在所述密封的流体填充的可塌缩腔体的光学区与所述密封的流体填充的可塌缩腔体的触觉区之间连通,由此当由睫状肌张力生成的外力指向所述第一不可变形光学元件的光学区的周边和所述第二可变形光学元件的光学区的周边时,所述密封的流体填充的可塌缩腔体的所述光学区受到压缩,从而通过连通的所述至少一个通道将所述密封的流体填充的可塌缩腔体的所述光学区内的流体朝向所述密封的流体填充的可塌缩腔体的所述触觉区排出,并且所述第一不可变形光学元件的光学表面和所述第二光学元件的光学表面彼此抵靠压缩,从而将眼睛聚焦于远处对象,并且由此当所述睫状肌张力减小时,所述第二可变形光学元件的弹性致使所述压缩减小。
3.如权利要求1所述的眼内透镜,其中所述流体是空气。
4.如权利要求1所述的眼内透镜,其中压靠所述第二可变形光学元件的接触区的、所述第一不可变形光学元件的凸起的所述上表面的所述接触区是所述第一不可变形光学元件的凸起的所述上表面的顶点。
5.如权利要求2所述的眼内透镜,其中在所述密封的流体填充的可塌缩腔体的光学区和所述密封的流体填充的可塌缩腔体的触觉区之间连通的所述至少一个开口包括在所述第二可变形光学元件的下表面中形成的圆形通道,所述圆形通道与在所述第二可变形光学元件的下表面中形成的多个径向通道互连。
6.如权利要求2所述的眼内透镜,其中在所述密封的流体填充的可塌缩腔体的光学区与所述密封的流体填充的可塌缩腔体的触觉区之间连通的所述至少一个开口包括在所述第一不可变形光学元件的所述上表面中形成的圆形通道,所述圆形通道与在所述第一不可变形光学元件的所述上表面中形成的多个径向通道互连。
7.如权利要求2所述的眼内透镜,其中所述第一不可变形光学元件的凸起的所述上表面和所述第二可变形光学元件的下表面被构造成具有短曲率半径。
8.一种提供用于在眼睛的晶状体囊中更换的调节性眼内透镜的方法,其通过提供如权利要求1至7中任一项所述的眼内透镜结合用于将所述睫状肌张力传递到所述眼内透镜的眼内结构来提供。
9.如权利要求8所述的方法,其中所述第一不可变形光学元件和所述第二可变形光学元件在所述眼睛内定向成使得所述第一不可变形光学元件定位在所述第二可变形光学元件的前面。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3016143A CA3016143A1 (en) | 2018-08-30 | 2018-08-30 | A hybrid accommodating intra-ocular lens and method of use thereof |
CA3016143 | 2018-08-30 | ||
PCT/CA2019/051206 WO2020041890A1 (en) | 2018-08-30 | 2019-08-29 | A hybrid accommodating intra-ocular lens and method of use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112638325A true CN112638325A (zh) | 2021-04-09 |
Family
ID=69642524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980057095.1A Pending CN112638325A (zh) | 2018-08-30 | 2019-08-29 | 混合调节性眼内透镜及其使用方法 |
Country Status (16)
Country | Link |
---|---|
US (2) | US11529231B2 (zh) |
EP (1) | EP3843663A4 (zh) |
JP (1) | JP7548909B2 (zh) |
KR (1) | KR20210049834A (zh) |
CN (1) | CN112638325A (zh) |
AU (1) | AU2019330752A1 (zh) |
BR (1) | BR112021003576A2 (zh) |
CA (1) | CA3016143A1 (zh) |
CL (1) | CL2021000506A1 (zh) |
DO (1) | DOP2021000034A (zh) |
IL (1) | IL281047A (zh) |
MX (1) | MX2021002325A (zh) |
PE (1) | PE20211173A1 (zh) |
SG (1) | SG11202101899RA (zh) |
WO (1) | WO2020041890A1 (zh) |
ZA (1) | ZA202101626B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102504085B1 (ko) * | 2020-10-26 | 2023-02-24 | 표형근 | 수중용 안구착용렌즈 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0356050A1 (en) * | 1988-08-15 | 1990-02-28 | Storz Instrument Company | Accommodating intraocular lens |
CN101069106A (zh) * | 2004-03-31 | 2007-11-07 | 加利福尼亚大学校务委员会 | 流体自适应透镜 |
US20090043384A1 (en) * | 2005-09-28 | 2009-02-12 | Kowa Company, Ltd. | Intraocular lens |
CN101636127A (zh) * | 2007-03-08 | 2010-01-27 | 朴京振 | 眼内透镜组合件 |
WO2013016804A1 (en) * | 2011-08-03 | 2013-02-07 | Webb Garth T | Negatively pressurized deformable lens |
CN104541186A (zh) * | 2012-02-29 | 2015-04-22 | 加特·T·韦布 | 用于调制棱镜和折射界面的曲率变化的方法和设备 |
CN105392448A (zh) * | 2013-03-21 | 2016-03-09 | 施菲姆德控股有限责任公司 | 调节性人工晶状体 |
CN107249516A (zh) * | 2015-03-03 | 2017-10-13 | 诺华股份有限公司 | 双镜片、曲率变化调节性iol |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8706999U1 (de) | 1987-05-15 | 1987-07-23 | Howmedica GmbH, 2314 Schönkirchen | Endoprothese für femorale oder tibiale Gelenkknochenteile und angrenzende Knochenabschnitte |
US4892543A (en) * | 1989-02-02 | 1990-01-09 | Turley Dana F | Intraocular lens providing accomodation |
US6616692B1 (en) | 1999-04-30 | 2003-09-09 | Advanced Medical Optics, Inc. | Intraocular lens combinations |
US20030060878A1 (en) | 2001-08-31 | 2003-03-27 | Shadduck John H. | Intraocular lens system and method for power adjustment |
US8048155B2 (en) | 2002-02-02 | 2011-11-01 | Powervision, Inc. | Intraocular implant devices |
US20070118216A1 (en) * | 2005-11-21 | 2007-05-24 | Joel Pynson | Accommodative intraocular lens |
WO2007107589A1 (en) | 2006-03-21 | 2007-09-27 | Varioptic | Intraocular implant |
US20100161050A1 (en) | 2007-02-25 | 2010-06-24 | Ulfert Detmers | Accommodative intraocular lens |
US20100179653A1 (en) * | 2009-01-09 | 2010-07-15 | Claudio Argento | Intraocular Lenses and Methods of Accounting for Capsule Size Variability and Post-Implant Changes in the Eye |
SG2013091095A (en) | 2013-01-09 | 2014-08-28 | Johnson & Johnson Vision Care | Method of forming a multi-piece insert device with seal for ophthalmic devices |
-
2018
- 2018-08-30 CA CA3016143A patent/CA3016143A1/en active Pending
-
2019
- 2019-08-29 CN CN201980057095.1A patent/CN112638325A/zh active Pending
- 2019-08-29 WO PCT/CA2019/051206 patent/WO2020041890A1/en active Application Filing
- 2019-08-29 AU AU2019330752A patent/AU2019330752A1/en active Pending
- 2019-08-29 JP JP2021536118A patent/JP7548909B2/ja active Active
- 2019-08-29 BR BR112021003576-1A patent/BR112021003576A2/pt unknown
- 2019-08-29 KR KR1020217007237A patent/KR20210049834A/ko not_active Application Discontinuation
- 2019-08-29 EP EP19855489.1A patent/EP3843663A4/en active Pending
- 2019-08-29 US US17/272,234 patent/US11529231B2/en active Active
- 2019-08-29 MX MX2021002325A patent/MX2021002325A/es unknown
- 2019-08-29 SG SG11202101899RA patent/SG11202101899RA/en unknown
- 2019-08-29 PE PE2021000253A patent/PE20211173A1/es unknown
-
2021
- 2021-02-23 IL IL281047A patent/IL281047A/en unknown
- 2021-02-24 DO DO2021000034A patent/DOP2021000034A/es unknown
- 2021-02-26 CL CL2021000506A patent/CL2021000506A1/es unknown
- 2021-03-10 ZA ZA2021/01626A patent/ZA202101626B/en unknown
-
2022
- 2022-11-30 US US18/072,445 patent/US20230085833A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0356050A1 (en) * | 1988-08-15 | 1990-02-28 | Storz Instrument Company | Accommodating intraocular lens |
CN101069106A (zh) * | 2004-03-31 | 2007-11-07 | 加利福尼亚大学校务委员会 | 流体自适应透镜 |
US20090043384A1 (en) * | 2005-09-28 | 2009-02-12 | Kowa Company, Ltd. | Intraocular lens |
CN101636127A (zh) * | 2007-03-08 | 2010-01-27 | 朴京振 | 眼内透镜组合件 |
WO2013016804A1 (en) * | 2011-08-03 | 2013-02-07 | Webb Garth T | Negatively pressurized deformable lens |
CN104541186A (zh) * | 2012-02-29 | 2015-04-22 | 加特·T·韦布 | 用于调制棱镜和折射界面的曲率变化的方法和设备 |
CN105392448A (zh) * | 2013-03-21 | 2016-03-09 | 施菲姆德控股有限责任公司 | 调节性人工晶状体 |
CN107249516A (zh) * | 2015-03-03 | 2017-10-13 | 诺华股份有限公司 | 双镜片、曲率变化调节性iol |
Also Published As
Publication number | Publication date |
---|---|
AU2019330752A1 (en) | 2021-03-25 |
KR20210049834A (ko) | 2021-05-06 |
WO2020041890A1 (en) | 2020-03-05 |
US20230085833A1 (en) | 2023-03-23 |
MX2021002325A (es) | 2021-04-28 |
EP3843663A4 (en) | 2022-06-01 |
CL2021000506A1 (es) | 2021-07-19 |
DOP2021000034A (es) | 2021-07-22 |
PE20211173A1 (es) | 2021-06-30 |
ZA202101626B (en) | 2022-08-31 |
BR112021003576A2 (pt) | 2021-05-18 |
SG11202101899RA (en) | 2021-03-30 |
EP3843663A1 (en) | 2021-07-07 |
IL281047A (en) | 2021-04-29 |
US20210307897A1 (en) | 2021-10-07 |
US11529231B2 (en) | 2022-12-20 |
JP2021534947A (ja) | 2021-12-16 |
JP7548909B2 (ja) | 2024-09-10 |
CA3016143A1 (en) | 2020-02-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20230263620A1 (en) | Accommodating intraocular lens | |
US20230218387A1 (en) | Multi-piece accommodating intraocular lens | |
US10195018B2 (en) | Accommodating intraocular lens | |
US20140180405A1 (en) | Curvature changing accommodative intraocular lens | |
US20120296424A1 (en) | Accomodating intraocular lens | |
EP2820454A1 (en) | Method and apparatus for modulating prism and curvature change of refractive interfaces | |
EP2547289B1 (en) | Accommodating intraocular lens assembly | |
US20230085833A1 (en) | Hybrid accomodating intra-ocular lens and method of use thereof | |
RU2820014C2 (ru) | Аккомодирующая интраокулярная линза и способ ее вставки в капсулу хрусталика глаза | |
EP4018256B1 (en) | Tuneable ophthalmic lens | |
EP4010757B1 (en) | Tuneable ophthalmic lens | |
KR20220140538A (ko) | 멀티-챔버 스위칭가능 광학요소 | |
RU2021106498A (ru) | Гибридная аккомодирующая интраокулярная линза и способ ее применения |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40050325 Country of ref document: HK |